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NomBank & the Down-to-Earth Parts of Pie-in-the-Sky. Adam Meyers New York University April 14, 2004. Status of NomBank. Arguments of Common Nouns in Penn II Corpus About 200,000 noun instances Speed = approximately 25 instances/hour About 75% Complete Annotation Agreement is about 86%
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NomBank & the Down-to-Earth Parts of Pie-in-the-Sky • Adam Meyers • New York University • April 14, 2004 Semantic Annotation Meeting April 14, 2005
Status of NomBank • Arguments of Common Nouns in Penn II Corpus • About 200,000 noun instances • Speed = approximately 25 instances/hour • About 75% Complete • Annotation Agreement is about 86% • Complete Distribution – August 2005 Semantic Annotation Meeting April 14, 2005
NomBank Examples • Verb-Related • His/ARG0gift of a book/ARG1 to me/ARG2 • Adjective Related • The absence of patent lawyers/ARG1 on the court/ARG2 • Classes of Nouns (16 Total) • Her/ARG1husband/ARG0[Relational-defrel] • A set of tasks/ARG1 [Partitive] • An Oct. 1/ARG2date for the attack/ARG1[Attribute] Semantic Annotation Meeting April 14, 2005
Special NP Phenomena • Support • The judge/ARG0madedemands on his staff/ARG2 • Transparent Nouns • His/ARG0 first batch of questions Semantic Annotation Meeting April 14, 2005
Future? • NomBank2 – Bridging Coreference • Apple/ARG1 is tryingto acquire Disney. • Rivals/ARG0 Microsoft and IBM claim this is unfair. • ETCBank (adjectives, idioms, comparatives, etc.) • He/ARG0 was answerable to the state department/ARG1 • He/ARG0kept tabs on Mary/ARG1 • The WMD was too small/ARGQ for inspectors to see/ARGC __ • FactBank – Is that a fact? Who says so? • Mary said/FACT that John did notfind/NOT-FACT WMDs. Semantic Annotation Meeting April 14, 2005
Goals for “Pie in the Sky”The Ultimate Annotation • A complete semantic analysis • Language independent • Analysis anchored by text • Merges all current annotation schemata • Includes everything, even quantifier scope • How much Pie in the Sky is Down to Earth? Semantic Annotation Meeting April 14, 2005
Pie in the Sky: So Far • We chose 2 consecutive sentences and have been iteratively merging annotation from: • PropBank I & II (including identity coreference) • NomBank I & II (including bridging coreference) • Discourse Treebank • EtcBank (NYU adjectives, determiners, etc.) • TimeML & Timex2 • Gazetteer and Word Class Info • FactBank (NYU – Attribution and FACT/NOT-FACT) Semantic Annotation Meeting April 14, 2005
Pie in the Sky • Combine Information from all Current Annotation Schemes into One Representation • Don’t Record Everything • Resolve Conflicts • Remove Redundancies (Conservatively) • Expand Annotation Where Appropriate • Extend Verb-oriented annotation to other parts of speech • Fight Task Centrism – Extension of Annotation to All “Important” Information • Allocate information to appropriate place Semantic Annotation Meeting April 14, 2005
2 Sentences from ACE File: NBC20001019.1830.0181 • but Yemen's president says the FBI has told him the explosive material could only have come from the U.S., Israel or two Arab countries. • and to a former federal bomb investigator, that description suggests a powerful military-style plastic explosive c-4 that can be cut or molded into different shapes. Semantic Annotation Meeting April 14, 2005
A Former Federal Bomb Investigator Semantic Annotation Meeting April 14, 2005
What’s Next? • Frontiers in Corpus Annotation II: Pie in the Sky • Incorporate Everything From Workshop • Possibilities After Frontiers Workshop • New Text Sample? • Larger Piece of Text: paragraph or whole file? • Other Phenomena? • Idioms, Discourse Connectives, Temporal Relations • Choose Bitext and Find International Partners Semantic Annotation Meeting April 14, 2005