Entailment

Mar 17, 2012

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What is an Entailment?. From Webster's Revised Unabridged Dictionary (1913)Entail \En*tail"\, v. t. [imp.

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Entailment

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Presupposition and Entailment

Presupposition and Entailment. James Pustejovsky September 23, 2005. Truth and falsity. Pat is hungry. True under some possible circumstances, false under others. True if the “actual world” is in the “Pat is hungry” half. Pat is hungry. Pat is not hungry. Truth and falsity.

2.27k views • 29 slides

Logical Entailment

Computational Logic Lecture 3. Logical Entailment. Michael Genesereth Autumn 2010. Logical Reasoning. Logical Reasoning relates premises and conclusion does not say whether conclusion is true in general says conclusion true whenever premises are true

768 views • 36 slides

Recognizing Textual Entailment

Recognizing Textual Entailment. Group 8 Maunik Shah Hemant Adil Akanksha Patel. The Question is:. Given a text fragment is true, can we predict the truth value of another text fragment? This relationship among texts is textual entailment . . Order of Presentation.

1.17k views • 66 slides

Textual Entailment, QA4MRE, and Machine Reading

Textual Entailment, QA4MRE, and Machine Reading. Peter Clark Vulcan Inc. What is Machine Reading?. Not (just) parsing + word senses Construction of a coherent representation of the scene the text describes Challenge: much of that representation is not in the text. The soldier died

1.04k views • 86 slides

Entailment relations

Containment, Exclusion and Implicativity : A Model of Natural Logic for Textual Inference ( MacCartney and Manning). Every firm saw costs grow more than expected, even after adjusting for inflation Every privately held firm saw costs grow

266 views • 10 slides

Global Learning of Type Entailment Rules

Global Learning of Type Entailment Rules. Jonathan Berant , Ido Dagan, Jacob Goldberger June 21 st , 2011. Task: Entailment (inference) Rules between Predicates. Binary predicates : specify relations between a pair of arguments: X cause an increase in Y X treat Y Entailment rules :

380 views • 18 slides

Third Recognizing Textual Entailment Challenge

Third Recognizing Textual Entailment Challenge. Potential SNeRG Submission. RTE3 Quick Notes. RTE Web Site: http://www.pascal-network.org/Challenges/RTE3/ Textual Entailment resource pool: http://aclweb.org/aclwiki/index.php?title=Textual_Entailment_Resource_Pool

292 views • 12 slides

Textual Entailment

Textual Entailment . Ido Dagan Bar Ilan University Israel. Fabio Massimo Zanzotto University of Rome Italy. Dan Roth, University of Illinois, Urbana-Champaign USA. ACL -2007 . Outline. Motivation and Task Definition A Skeletal review of Textual Entailment Systems

1.96k views • 168 slides

Semantic Entailment

Semantic Entailment. Nathaniel Story Ginger Buckbee Greg Lorge Billy Dean . What is it?. Given sentence A, can you infer sentence B?. Challenges. Paraphrasing Negation Pre-Suppositions World Knowledge Juiciness . Paraphrasing Example. “There is a cat on the table.”

259 views • 11 slides

Recognizing Textual Entailment Challenge PASCAL

Recognizing Textual Entailment Challenge PASCAL. Suleiman BaniHani. Textual Entailment. Textual entailment recognition: is the task of deciding, given two text fragments, whether the meaning of one text is entailed (can be inferred) from another text. Task Definition.

414 views • 21 slides

Entailment with Conditional Equality Constraints

Entailment with Conditional Equality Constraints. Zhendong Su Alex Aiken University of California, Berkeley. Constraint Based Analysis. Basic Idea:. program source. constraint generation. constraints. constraint resolution. analysis results. Constraint Simplification.

414 views • 24 slides

Textual Entailment

Textual Entailment. Ido Dagan Bar Ilan University Israel. Fabio Massimo Zanzotto University of Rome Italy. Dan Roth, University of Illinois, Urbana-Champaign USA. Motivation and Task Definition A Skeletal review of Textual Entailment Systems Knowledge Acquisition Methods

1.98k views • 160 slides

Toward Dependency Path based Entailment

Toward Dependency Path based Entailment. Rodney Nielsen, Wayne Ward, and James Martin. Dependency Path-based Entailment. DIRT (Lin and Pantel, 2001) Unsupervised method to discover inference rules “X is author of Y ≈ X wrote Y” “X solved Y ≈ X found a solution to Y”

384 views • 21 slides

Toward Dependency Path based Entailment

Toward Dependency Path based Entailment. Rodney Nielsen, Wayne Ward, and James Martin. Why Entailment. Intelligent Tutoring Systems Student Interaction Analysis Are all aspects of the student’s answer entailed by the text and the gold standard answer

303 views • 20 slides

Baselines for Recognizing Textual Entailment

Baselines for Recognizing Textual Entailment. Ling 541 Final Project Terrence Szymanski. What is Textual Entailment? . Informally: A text T entails a hypothesis H if the meaning of H can be inferred from the meaning of T. Example: T: Profits nearly doubled to nearly $1.8 billion.

465 views • 21 slides

Web Based Probabilistic Textual Entailment

Web Based Probabilistic Textual Entailment. Oren Glickman, Ido Dagan and Moshe Koppel Bar Ilan Univ. Classical Entailment Definition. A text t entails an hypothesis h if h is true in every circumstance (possible world) in which t is true i.e., the truth of t implies the truth of h.

310 views • 17 slides

Syntactic Contributions in the Entailment Task

Syntactic Contributions in the Entailment Task. Lucy Vanderwende, Arul Menezes, Rion Snow (Stanford). RTE-1 analysis. Recap of MSR’s manual analysis of RTE-1 test data; in principle, 74% is achievable using syntax and thesaurus. RTE-1 analysis.

347 views • 22 slides

Tree Mining and Textual Entailment

Sophia Katrenko AID project Human Computer Studies Laboratory, IvI katrenko@science.uva.nl. Tree Mining and Textual Entailment. Outline. Task statement Tree mining: methods Why textual entailment? Experiments Discussion. Task statement.

286 views • 18 slides

Textual entailment inference in machine translation

Textual entailment inference in machine translation. Ido Dagan and Shachar Mirkin Workshop on Machine Translation and Morphologically-rich Languages Haifa, January 2011. Joint work with: Wilker Aziz, Nicola Cancedda , Marc Dymetman, Lucia Specia and Idan Szpektor. Outline.

562 views • 39 slides

dRDF : Entailment for Domain-Restricted RDF

dRDF : Entailment for Domain-Restricted RDF. Reinhard Pichler 1 Axel Polleres 2 Fang Wei 1 Stefan Woltran 1 1 Institute for Information Systems, TU Vienna, Austria 2 DERI, National University of Ireland, Galway. Blank nodes are fun (at least for theoreticians).

293 views • 18 slides

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