[
  {
    "F1": 83.75,
    "code_links": [
      {
        "title": "ShannonAI/mrc-for-flat-nested-ner",
        "url": "https://github.com/ShannonAI/mrc-for-flat-nested-ner"
      },
      {
        "title": "stepperL/mrc-for-flat-nested-ner",
        "url": "https://github.com/stepperL/mrc-for-flat-nested-ner"
      }
    ],
    "date": "2019-10-25",
    "date2": 20191025,
    "model": "BERT-MRC",
    "paper": {
      "title": "A Unified MRC Framework for Named Entity Recognition",
      "url": "https://cknow.io/lib/4269b4f778e97370"
    },
    "paper_data_uoa": "4269b4f778e97370"
  },
  {
    "F1": 78.31,
    "code_links": [
      {
        "title": "ufal/acl2019_nested_ner",
        "url": "https://github.com/ufal/acl2019_nested_ner"
      }
    ],
    "date": "2019-07-01",
    "date2": 20190701,
    "model": "seq2seq+BERT+Flair",
    "paper": {
      "title": "Neural Architectures for Nested NER through Linearization",
      "url": "https://cknow.io/lib/aff782544e9645e7"
    },
    "paper_data_uoa": "aff782544e9645e7"
  },
  {
    "F1": 77.19,
    "code_links": [
      {
        "title": "yahshibu/nested-ner-2019-bert",
        "url": "https://github.com/yahshibu/nested-ner-2019-bert"
      },
      {
        "title": "yahshibu/nested-ner-2019",
        "url": "https://github.com/yahshibu/nested-ner-2019"
      }
    ],
    "date": "2019-09-05",
    "date2": 20190905,
    "model": "Second-best learning and decoding",
    "paper": {
      "title": "Nested Named Entity Recognition via Second-best Sequence Learning and Decoding",
      "url": "https://cknow.io/lib/b8d6ab844518cdba"
    },
    "paper_data_uoa": "b8d6ab844518cdba"
  },
  {
    "F1": 75.1,
    "code_links": [
      {
        "title": "berlino/overlapping-ner-em18",
        "url": "https://github.com/berlino/overlapping-ner-em18"
      }
    ],
    "date": "2018-10-03",
    "date2": 20181003,
    "model": "Neural segmental hypergraphs",
    "paper": {
      "title": "Neural Segmental Hypergraphs for Overlapping Mention Recognition",
      "url": "https://cknow.io/lib/1345432b4bb0a77a"
    },
    "paper_data_uoa": "1345432b4bb0a77a"
  },
  {
    "F1": 74.8,
    "code_links": [
      {
        "title": "sanmusunrise/ARNs",
        "url": "https://github.com/sanmusunrise/ARNs"
      }
    ],
    "date": "2019-06-10",
    "date2": 20190610,
    "model": "Anchor-Region Networks",
    "paper": {
      "title": "Sequence-to-Nuggets: Nested Entity Mention Detection via Anchor-Region Networks",
      "url": "https://cknow.io/lib/dfa322f7a4a8ba05"
    },
    "paper_data_uoa": "dfa322f7a4a8ba05"
  },
  {
    "F1": 74.7,
    "code_links": [
      {
        "title": "meizhiju/layered-bilstm-crf",
        "url": "https://github.com/meizhiju/layered-bilstm-crf"
      }
    ],
    "date": "2018-06-01",
    "date2": 20180601,
    "model": "Neural layered model",
    "paper": {
      "title": "A Neural Layered Model for Nested Named Entity Recognition",
      "url": "https://cknow.io/lib/0c45cd9ceb69e8b8"
    },
    "paper_data_uoa": "0c45cd9ceb69e8b8"
  },
  {
    "F1": 74.7,
    "code_links": [
      {
        "title": "thecharm/boundary-aware-nested-ner",
        "url": "https://github.com/thecharm/boundary-aware-nested-ner"
      }
    ],
    "date": "2019-11-01",
    "date2": 20191101,
    "model": "Boundary-aware neural model",
    "paper": {
      "title": "A Boundary-aware Neural Model for Nested Named Entity Recognition",
      "url": "https://cknow.io/lib/96f4cda89415f1a5"
    },
    "paper_data_uoa": "96f4cda89415f1a5"
  },
  {
    "F1": 73.9,
    "code_links": [
      {
        "title": "berlino/nest-trans-em18",
        "url": "https://github.com/berlino/nest-trans-em18"
      }
    ],
    "date": "2018-10-03",
    "date2": 20181003,
    "model": "Neural transition-based model",
    "paper": {
      "title": "A Neural Transition-based Model for Nested Mention Recognition",
      "url": "https://cknow.io/lib/a2c384cb5774d12a"
    },
    "paper_data_uoa": "a2c384cb5774d12a"
  }
]