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          "title": "Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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          "title": "Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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          "title": "Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 3: System Demonstrations)"
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          "title": "Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 4: Student Research Workshop)"
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          "title": "Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 5: Tutorial Abstracts)"
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          "title": "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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          "title": "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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          "url": "https://aclanthology.org/volumes/2025.acl-demo/",
          "title": "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 3: System Demonstrations)"
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          "url": "https://aclanthology.org/volumes/2025.acl-srw/",
          "title": "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 4: Student Research Workshop)"
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          "title": "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 5: Tutorial Abstracts)"
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          "title": "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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          "url": "https://aclanthology.org/volumes/2024.acl-short/",
          "title": "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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          "title": "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 3: System Demonstrations)"
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          "url": "https://aclanthology.org/volumes/2024.acl-srw/",
          "title": "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 4: Student Research Workshop)"
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          "url": "https://aclanthology.org/volumes/2024.acl-tutorials/",
          "title": "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 5: Tutorial Abstracts)"
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          "url": "https://aclanthology.org/volumes/2023.acl-long/",
          "title": "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/2023.acl-short/",
          "title": "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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          "url": "https://aclanthology.org/volumes/2023.acl-demo/",
          "title": "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 3: System Demonstrations)"
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          "url": "https://aclanthology.org/volumes/2023.acl-srw/",
          "title": "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 4: Student Research Workshop)"
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          "url": "https://aclanthology.org/volumes/2023.acl-industry/",
          "title": "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 5: Industry Track)"
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          "url": "https://aclanthology.org/volumes/2023.acl-tutorials/",
          "title": "Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 6: Tutorial Abstracts)"
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          "title": "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/2022.acl-short/",
          "title": "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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        {
          "url": "https://aclanthology.org/volumes/2022.acl-srw/",
          "title": "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/2022.acl-demo/",
          "title": "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics: System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/2022.acl-tutorials/",
          "title": "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "url": "https://aclanthology.org/volumes/2021.acl-long/",
          "title": "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/2021.acl-short/",
          "title": "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)"
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          "url": "https://aclanthology.org/volumes/2021.acl-srw/",
          "title": "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/2021.acl-demo/",
          "title": "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/2021.acl-tutorials/",
          "title": "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: Tutorial Abstracts"
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          "title": "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics"
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          "url": "https://aclanthology.org/volumes/2020.acl-demos/",
          "title": "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: System Demonstrations"
        },
        {
          "url": "https://aclanthology.org/volumes/2020.acl-srw/",
          "title": "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/2020.acl-tutorials/",
          "title": "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "url": "https://aclanthology.org/volumes/P19-1/",
          "title": "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics"
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        {
          "url": "https://aclanthology.org/volumes/P19-2/",
          "title": "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop"
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          "url": "https://aclanthology.org/volumes/P19-3/",
          "title": "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: System Demonstrations"
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          "url": "https://aclanthology.org/volumes/P19-4/",
          "title": "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "url": "https://aclanthology.org/volumes/P18-1/",
          "title": "Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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          "url": "https://aclanthology.org/volumes/P18-2/",
          "title": "Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P18-3/",
          "title": "Proceedings of ACL 2018, Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P18-4/",
          "title": "Proceedings of ACL 2018, System Demonstrations"
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          "url": "https://aclanthology.org/volumes/P18-5/",
          "title": "Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "title": "Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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          "url": "https://aclanthology.org/volumes/P17-2/",
          "title": "Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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          "url": "https://aclanthology.org/volumes/P17-3/",
          "title": "Proceedings of ACL 2017, Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P17-4/",
          "title": "Proceedings of ACL 2017, System Demonstrations"
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          "url": "https://aclanthology.org/volumes/P17-5/",
          "title": "Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "title": "Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P16-2/",
          "title": "Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P16-3/",
          "title": "Proceedings of the ACL 2016 Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P16-4/",
          "title": "Proceedings of ACL-2016 System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P16-5/",
          "title": "Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "title": "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P15-2/",
          "title": "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P15-3/",
          "title": "Proceedings of the ACL-IJCNLP 2015 Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P15-4/",
          "title": "Proceedings of ACL-IJCNLP 2015 System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P15-5/",
          "title": "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing: Tutorial Abstracts"
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          "url": "https://aclanthology.org/volumes/P14-1/",
          "title": "Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P14-2/",
          "title": "Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P14-3/",
          "title": "Proceedings of the ACL 2014 Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P14-5/",
          "title": "Proceedings of 52nd Annual Meeting of the Association for Computational Linguistics: System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P14-6/",
          "title": "Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics: Tutorials"
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          "url": "https://aclanthology.org/volumes/P13-1/",
          "title": "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P13-2/",
          "title": "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P13-3/",
          "title": "51st Annual Meeting of the Association for Computational Linguistics Proceedings of the Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P13-4/",
          "title": "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics: System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P13-5/",
          "title": "Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Tutorials)"
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          "url": "https://aclanthology.org/volumes/P12-1/",
          "title": "Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)"
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        {
          "url": "https://aclanthology.org/volumes/P12-2/",
          "title": "Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)"
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          "url": "https://aclanthology.org/volumes/P12-3/",
          "title": "Proceedings of the ACL 2012 System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P12-4/",
          "title": "Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "url": "https://aclanthology.org/volumes/W12-33/",
          "title": "Proceedings of ACL 2012 Student Research Workshop"
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          "url": "https://aclanthology.org/volumes/P11-1/",
          "title": "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies"
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        {
          "url": "https://aclanthology.org/volumes/P11-2/",
          "title": "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies"
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        {
          "url": "https://aclanthology.org/volumes/P11-3/",
          "title": "Proceedings of the ACL 2011 Student Session"
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        {
          "url": "https://aclanthology.org/volumes/P11-4/",
          "title": "Proceedings of the ACL-HLT 2011 System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P11-5/",
          "title": "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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          "url": "https://aclanthology.org/volumes/P10-1/",
          "title": "Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics"
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        {
          "url": "https://aclanthology.org/volumes/P10-2/",
          "title": "Proceedings of the ACL 2010 Conference Short Papers"
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        {
          "url": "https://aclanthology.org/volumes/P10-3/",
          "title": "Proceedings of the ACL 2010 Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P10-4/",
          "title": "Proceedings of the ACL 2010 System Demonstrations"
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        {
          "url": "https://aclanthology.org/volumes/P10-5/",
          "title": "Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics: Tutorial Abstracts"
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      "event_url": "https://aclanthology.org/events/acl-2009/",
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          "url": "https://aclanthology.org/volumes/P09-1/",
          "title": "Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP"
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        {
          "url": "https://aclanthology.org/volumes/P09-2/",
          "title": "Proceedings of the ACL-IJCNLP 2009 Conference Short Papers"
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        {
          "url": "https://aclanthology.org/volumes/P09-3/",
          "title": "Proceedings of the ACL-IJCNLP 2009 Student Research Workshop"
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        {
          "url": "https://aclanthology.org/volumes/P09-4/",
          "title": "Proceedings of the ACL-IJCNLP 2009 Software Demonstrations"
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          "url": "https://aclanthology.org/volumes/P09-5/",
          "title": "Tutorial Abstracts of ACL-IJCNLP 2009"
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      "event_url": "https://aclanthology.org/events/acl-2008/",
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          "url": "https://aclanthology.org/volumes/P08-1/",
          "title": "Proceedings of ACL-08: HLT"
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        {
          "url": "https://aclanthology.org/volumes/P08-2/",
          "title": "Proceedings of ACL-08: HLT, Short Papers"
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        {
          "url": "https://aclanthology.org/volumes/P08-3/",
          "title": "Proceedings of the ACL-08: HLT Student Research Workshop"
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          "url": "https://aclanthology.org/volumes/P08-4/",
          "title": "Proceedings of the ACL-08: HLT Demo Session"
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          "url": "https://aclanthology.org/volumes/P08-5/",
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          "url": "https://aclanthology.org/volumes/P07-1/",
          "title": "Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics"
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          "url": "https://aclanthology.org/volumes/P07-2/",
          "title": "Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics Companion Volume Proceedings of the Demo and Poster Sessions"
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          "url": "https://aclanthology.org/volumes/P07-3/",
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      "event_url": "https://aclanthology.org/events/acl-2006/",
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          "title": "Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics"
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          "url": "https://aclanthology.org/volumes/P06-2/",
          "title": "Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions"
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      "event_url": "https://aclanthology.org/events/acl-2005/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P05-1/",
          "title": "Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL’05)"
        },
        {
          "url": "https://aclanthology.org/volumes/P05-2/",
          "title": "Proceedings of the ACL Student Research Workshop"
        },
        {
          "url": "https://aclanthology.org/volumes/P05-3/",
          "title": "Proceedings of the ACL Interactive Poster and Demonstration Sessions"
        }
      ]
    },
    {
      "year": 2004,
      "event_url": "https://aclanthology.org/events/acl-2004/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P04-1/",
          "title": "Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL-04)"
        },
        {
          "url": "https://aclanthology.org/volumes/P04-2/",
          "title": "Proceedings of the ACL Student Research Workshop"
        },
        {
          "url": "https://aclanthology.org/volumes/P04-3/",
          "title": "Proceedings of the ACL Interactive Poster and Demonstration Sessions"
        }
      ]
    },
    {
      "year": 2003,
      "event_url": "https://aclanthology.org/events/acl-2003/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P03-1/",
          "title": "Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics"
        },
        {
          "url": "https://aclanthology.org/volumes/P03-2/",
          "title": "The Companion Volume to the Proceedings of 41st Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 2002,
      "event_url": "https://aclanthology.org/events/acl-2002/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P02-1/",
          "title": "Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 2001,
      "event_url": "https://aclanthology.org/events/acl-2001/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P01-1/",
          "title": "Proceedings of the 39th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 2000,
      "event_url": "https://aclanthology.org/events/acl-2000/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P00-1/",
          "title": "Proceedings of the 38th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1999,
      "event_url": "https://aclanthology.org/events/acl-1999/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P99-1/",
          "title": "Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1998,
      "event_url": "https://aclanthology.org/events/acl-1998/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P98-1/",
          "title": "36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 1"
        },
        {
          "url": "https://aclanthology.org/volumes/P98-2/",
          "title": "36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 2"
        }
      ]
    },
    {
      "year": 1997,
      "event_url": "https://aclanthology.org/events/acl-1997/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P97-1/",
          "title": "35th Annual Meeting of the Association for Computational Linguistics and 8th Conference of the European Chapter of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1996,
      "event_url": "https://aclanthology.org/events/acl-1996/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P96-1/",
          "title": "34th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1995,
      "event_url": "https://aclanthology.org/events/acl-1995/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P95-1/",
          "title": "33rd Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1994,
      "event_url": "https://aclanthology.org/events/acl-1994/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P94-1/",
          "title": "32nd Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1993,
      "event_url": "https://aclanthology.org/events/acl-1993/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P93-1/",
          "title": "31st Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1992,
      "event_url": "https://aclanthology.org/events/acl-1992/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P92-1/",
          "title": "30th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1991,
      "event_url": "https://aclanthology.org/events/acl-1991/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P91-1/",
          "title": "29th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1990,
      "event_url": "https://aclanthology.org/events/acl-1990/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P90-1/",
          "title": "28th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1989,
      "event_url": "https://aclanthology.org/events/acl-1989/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P89-1/",
          "title": "27th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1988,
      "event_url": "https://aclanthology.org/events/acl-1988/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P88-1/",
          "title": "26th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1987,
      "event_url": "https://aclanthology.org/events/acl-1987/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P87-1/",
          "title": "25th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1986,
      "event_url": "https://aclanthology.org/events/acl-1986/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P86-1/",
          "title": "24th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1985,
      "event_url": "https://aclanthology.org/events/acl-1985/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P85-1/",
          "title": "23rd Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1984,
      "event_url": "https://aclanthology.org/events/acl-1984/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P84-1/",
          "title": "10th International Conference on Computational Linguistics and 22nd Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1983,
      "event_url": "https://aclanthology.org/events/acl-1983/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P83-1/",
          "title": "21st Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1982,
      "event_url": "https://aclanthology.org/events/acl-1982/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P82-1/",
          "title": "20th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1981,
      "event_url": "https://aclanthology.org/events/acl-1981/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P81-1/",
          "title": "19th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1980,
      "event_url": "https://aclanthology.org/events/acl-1980/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P80-1/",
          "title": "18th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    },
    {
      "year": 1979,
      "event_url": "https://aclanthology.org/events/acl-1979/",
      "volumes": [
        {
          "url": "https://aclanthology.org/volumes/P79-1/",
          "title": "17th Annual Meeting of the Association for Computational Linguistics"
        }
      ]
    }
  ],
  "scope": "Actual first-party publisher entries; multiple volumes/tracks do not create extra event years. Year census does not establish per-paper/track/abstract or public rejected-submission completeness. 64 actualmeetingyears1963–2026:16earlymeetingrows from Walker1982 historical table plus48publisherentries1979–2026. No interpolation from founding1962 or ordinal64. Earlymeetingevidence does not mean a standalone indexed proceedings exists. Joint1965COLING and1978TINLP are not additional fabricated acceptances.",
  "additional_primary_sources": [
    {
      "source_url": "https://aclanthology.org/www.mt-archive.info/70/ACL-1982-Walker-1.pdf",
      "resolved_url": "https://aclanthology.org/www.mt-archive.info/70/ACL-1982-Walker-1.pdf",
      "checked_at": "2026-11-08T10:22:08.090571+00:00",
      "http_status": 200,
      "source_sha256": "35c21bd4983975bcaccbb94bd8ab91c9019fc190feec1791255407cf18a7e49a",
      "pdf_pages_one_based": [
        1,
        2,
        3
      ],
      "printed_pages": [
        89,
        90,
        91
      ],
      "review": "Read full introduction and visually checked annual-meeting rows on PDFpages2–3; founding year1962 is not an annualmeeting."
    }
  ],
  "historical_meetings_missing_from_publisher_venue_directory": [
    {
      "year": 1963,
      "location": "Denver",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1964,
      "location": "Bloomington",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1965,
      "location": "New York",
      "evidence_pdf_page_one_based": 2,
      "relationship": "1965firstCOLING/ICCL replaced the ACL annualmeeting; do not create an independent extra ACL acceptance."
    },
    {
      "year": 1966,
      "location": "Los Angeles",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1967,
      "location": "Atlantic City",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1968,
      "location": "Urbana",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1969,
      "location": "Boston",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1970,
      "location": "Columbus",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1971,
      "location": "Atlantic City",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1972,
      "location": "Chapel Hill",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1973,
      "location": "Ann Arbor",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1974,
      "location": "Amherst",
      "evidence_pdf_page_one_based": 2
    },
    {
      "year": 1975,
      "location": "Boston",
      "evidence_pdf_page_one_based": 3
    },
    {
      "year": 1976,
      "location": "San Francisco",
      "evidence_pdf_page_one_based": 3
    },
    {
      "year": 1977,
      "location": "Georgetown",
      "evidence_pdf_page_one_based": 3
    },
    {
      "year": 1978,
      "location": "Urbana",
      "evidence_pdf_page_one_based": 3,
      "relationship": "Held jointly with Theoretical Issues in Natural Language Processing2; preserve actual publication identity."
    }
  ],
  "joint_events": [
    {
      "year": 1965,
      "with": "COLING/ICCL",
      "evidence": "Walker1982 introduction and annualmeeting table"
    },
    {
      "year": 1984,
      "with": "COLING",
      "publisher_volume_url": "https://aclanthology.org/volumes/P84-1/"
    },
    {
      "year": 1997,
      "with": "EACL",
      "publisher_volume_url": "https://aclanthology.org/volumes/P97-1/"
    },
    {
      "year": 1998,
      "with": "COLING",
      "publisher_acl_volume_urls": [
        "https://aclanthology.org/volumes/P98-1/",
        "https://aclanthology.org/volumes/P98-2/"
      ],
      "publisher_coling_volume_urls": [
        "https://aclanthology.org/volumes/C98-1/",
        "https://aclanthology.org/volumes/C98-2/"
      ],
      "note": "Two catalogues expose different volume IDs for this joint event; do not assert record-level equivalence without separate stable-ID/provenance review."
    },
    {
      "year": 2006,
      "with": "COLING",
      "publisher_volume_url": "https://aclanthology.org/volumes/P06-1/"
    }
  ],
  "source_html_sha256": "d04c188c0769e065f18ca9c0246f70086e2f7027ce3efe5ea0f2cdc641796b72"
}