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Corpus Statistics

Corpus Statistics. ACE2005/ACE2007 English EDR Chars: 1.5M Words: 257K Entities: 18K (PER 9.7K, ORG 3K, GPE 3K, FAC 1K , LOC 897, WEA 579 , VEH 571 ) Mentions: 55K (PRO 20K, NAM 18K, NOM 17K) CDC Entities (PER, ORG, LOC, GPE) IDC Entities 7,129 (Entities with at least one name)

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Corpus Statistics

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  1. Corpus Statistics • ACE2005/ACE2007 English EDR • Chars: 1.5M Words: 257K • Entities: 18K (PER 9.7K, ORG 3K, GPE 3K, FAC 1K,LOC 897, WEA 579, VEH 571) • Mentions: 55K (PRO 20K, NAM 18K, NOM 17K) • CDC Entities (PER, ORG, LOC, GPE) • IDC Entities 7,129 (Entities with at least one name) • CDC Entities 3,660 (after manual linking) • 2,390 singleton entities • CDC Annotation Effort • Approximately 2 staff weeks • Annotated after automatic pre-linking of entities that shared at least one identical (case-sensitive) name string

  2. Cross-Document Entity Mention Count Histogram Rank MFreq Entity Name 1 259 US 2 182 Iraq 3 96 Baghdad 4 93 George W. Bush 5 89 Saddam Hussein 6 83 CNN …

  3. Total Mentions Covered byFrequency-Sorted Entities

  4. Callisto/EDNA • Entity Disambiguation and Normalization Annotation (EDNA) tool • A plug-in for Callisto client • Multiple annotators supported with single Tomcat server (with document locking) • Document set indexed by APF-customized Lucene search engine • Assumes documents annotated for ACE EDR (entity mentions and intra-document coreference)

  5. Logging onto the Server

  6. File Selection, Locking & Status

  7. Highlighted Mentions and ACE Annotations Source document ACE Annotations

  8. Default and Customizable Entity Search Entity-based Search Criteria Search Results Selected Entity Details

  9. Color Coding Entity Status & Type

  10. Reviewing Target Link Target in Context of Source Document

  11. Type Restrictions in Search Can Be Relaxed

  12. Annotator Comments can be Added and Retained

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