PPT-Focused Entailment Graphs for Open IE Propositions

Omer Levy Ido Dagan Jacob Goldberger Bar Ilan University Israel Open IE Extracts propositions from text which makes aspirin relieve headaches No supervision No predefined schema. 1 716 60 382 16 73 18 18 20 25 D4110 98 91 58 10 45 14 29 D4111 47 279 241 170 22 92 12 32 D4112 315 851 213 428 121 276 37 80 D4117 947 2358 1105 1357 647 823 95 493 86 86 D4124 283 494 152 358 173 499 296 3471 35 35 D4125 381 754 74 304 17 140 83 O Unit . 4 . Vocabulary. 1) . Acquiescence . n.. Agreement with a statement or proposal to do something. We cannot sit in silent . acquiescence. to the incredible injustice of the government’s actions.. Peter Clark. Allen Institute for Artificial Intelligence (AI2). Mission: . achieve scientific breakthroughs by constructing AI systems with reasoning, learning, and reading capabilities. . 2. Overall Goals. Board Talk Wrap Up. What do we know about the characters and how?. Discuss your board at your table with this question in mind.. Character and Theme. Categorize/Group these characters. What themes is Austen setting up through her characters?. University . of. . Rome. “Tor Vergata”. Roma, Italy. Textual Entailment Recognition for Web Based Question-Answering. Operational. . Scenarios. What’s. the . weather. in Macao?. When. . is. Recap. Common . Three-Way Equivalence:. Sentence . meanings. The objects of the attitudes. The referents of ‘that’-. clauses. We can call whatever is all of these things a “proposition.” Now we have the question: what are propositions?. What you need to do:. Enroll to tuomas.j.lahtinen@aalto.fi, course is open for everyone - no prerequisites!. Show up in lecture hall M232 (M1) on Monday 19.5. at 10 o’clock.. 19.5. .-26.5.. Asher Stern & . Ido. Dagan. ISCOL. June 2011, Israel. 1. Recognizing Textual Entailment (RTE). Given a text, . T. , and a hypothesis, . H. Does . T. entail . H. 2. T. : . An explosion caused by gas took place at a . Section 1.1. Propositions. A . proposition. is a declarative sentence that is either true or false.. Examples of propositions:. The Moon is made of green cheese.. Trenton is the capital of New Jersey.. Entailment and Paraphrasing. MSR Paraphrase Corpus. 1. Amrozi. accused his brother, whom he called "the witness", of deliberately distorting his evidence.. Referring to him as only "the witness", . Amrozi. Open-IE . meets . Knowledge . Representation. Ido Dagan. Bar-. Ilan. University, Israel. Knowledge Representation (KR). Two complementary frameworks:. Knowledge graphs. Formal pre-specified schema & predicates. ENTAILMENT. 4.1 Presupposition. 4.2 Types of Presupposition. 4.3 The Projection Problem. 4.4 Ordered Entailment. Introduction. : something that the speaker assumes to be the case before making an utterance. 1. A . deductive argument . is one that claims to establish its conclusion conclusively. . A . valid. deductive . argument is one in which, if all the premises are true, the conclusion must . be true. Asher Stern & . Ido. Dagan. ISCOL. June 2011, Israel. 1. Recognizing Textual Entailment (RTE). Given a text, . T. , and a hypothesis, . H. Does . T. entail . H. 2. T. : . An explosion caused by gas took place at a .