base noun phrase learning
Tài liệu Báo cáo khoa học: "Man* vs. Machine: A Case Study in Base Noun Phrase Learning" pdf
... Pierce (1998) use rule-based systems. 2 Learning Base Noun Phrases by Machine We used the base noun phrase system of Ramshaw and Marcus (R&M) as the machine learning system with which ... frequency noun phrases, we observed how the accuracy of noun phrase annotation of both hu- man and machine derived rules is affected by the frequency of occurrence of the noun phrases in ... generalize across a large number of these low-frequency noun phrases, the only way noun phrases in the tail of the distribution can be learned is by learning low-count rules: in other words, rules...
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The english noun phrase
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Tài liệu Báo cáo khoa học: "Understanding the Semantic Structure of Noun Phrase Queries" pptx
... closelyrelated to that of linguistic head nouns and modi-fiers for noun phrases. In many cases, the IHs of noun phrase queries are exactly the head nouns inthe linguistic sense. Exceptions mostly ... identifying head nouns.In identifying IHs in noun phrase queries, how-ever, direct syntactic analysis is unlikely to be aseffective. This is because syntactic structures arein general less pronounced ... tried extending the features based onword IDs to those based on n-gram IDs, wheren = 1, 2, 3. This greatly increased the number oflexical features but did not improve learning per-formance, most...
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Báo cáo khoa học: "Supervised Noun Phrase Coreference Research: The First Fifteen Years" pptx
... Institute ofTechnology, USA.Wee Meng Soon, Hwee Tou Ng, and Chung Yong Lim.1999. Corpus-based learning for noun phrase coref-erence resolution. In Proceedings of the 1999 JointSIGDAT Conference ... amount of work on discourse-based anaphora resolution in the 1970s and1980s (see Hirst (1981)), learning- based resolvershave only exploited shallow discourse-based fea-tures, which primarily ... referentially ac-cessible to an anaphoric pronoun in his heuristicpronoun resolvers. It would be interesting to in-corporate this idea into a learning- based resolver.There are also features that...
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Báo cáo khoa học: "A Computational Analysis of Complex Noun Phrase in Messages" docx
... Complex noun sequences. Semantic patterns in complex noun phrases fall into two types: part names and other noun phrases. Names for pieces of equipment often con- tain complex noun sequences, ... more noun modifiers of nouns constructions (Noun + Noun construc- tions) in the equipment failure messages than there were in the medical records, and more prepositional phrase modifiers of noun ... In other noun phrases, i.e. those that are not part names, the head nouns can have other semantic categories. For example, looking back at the sentences in (3), the head noun of a noun sequence...
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Báo cáo khoa học: "An Endogeneous Corpus-Based Method for Structural Noun Phrase Disambiguation" pptx
... (1) noun prep noun adj noun prep noun prep det noun noun adj noun noun prep noun noun noun prep noun prep noun noun noun adj noun noun noun noun noun prep noun noun prep noun prep noun ... head noun1 of the noun sub-group noun1 prep noun2 , or it attaches noun2 , constituting the noun sub-group (noun2 adj); the competing noun sub-groups (noun1 prep noun2 ) and (noun2 ... D'EQUILIBRAGE # EQU1LIBRAGE MANUEL (3) noun1 prep noun2 prep noun3 parsing rule [c] noun1 prep noun2 prep noun3 # noun1 prep noun2 # noun2 prep noun3 example of parse ALARME DE SYNTHESE...
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A Study of the Noun Phrase in Spoke andWritten English pptx
... of noun phrases: one is noun- headed phrases; the other one is pronoun-headed phrase. Pronoun-headedphrases play different functions as the same as noun- headed phrases do. In addition,pronoun-headed ... isthat pronoun-headed phrases in subject function are more frequent than noun- headedphrases in spoken, but pronoun-headed phrases in object function is less frequent than noun- headed phrases in ... English. On the other hand, noun- 4EXAMPLE1.2 Background1.2.1 The noun phrase According to Bakken (2006), the head of a noun phrase is a noun or a pronoun. Ifthe head is a noun, it may combine with...
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Báo cáo khoa học: "Empirical Measurements of Lexical Similarity in Noun Phrase Conjuncts" ppt
... head nouns from base noun phrases (NPB) (i.e. noun phrases that do not dominate other noun phrases) because the underspecified annotation of NPBsin the WSJ means that the conjoined head nouns ... extracted all noun pairs from the BNC whichoccurred in a pattern of the form: noun cc noun 1,as well as lists of any number of nouns separated bycommas and ending in cc noun. Each noun in the ... tendency for con-joined nouns to be semantically similar has alsobeen exploited for coordinate noun phrase disam-biguation by Resnik (1999) who employed a mea-sure of similarity based on WordNet...
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Báo cáo khoa học: "Noun-Phrase Analysis in Unrestricted Text for Information Retrieval" pptx
... [adjective, noun] as a lexical atom than for the pair [noun, noun] : a noun- noun pair is much more likely to be a lexical atom than an adjective -noun one. The general process of phrase generation ... simple, yet robust and efficient noun- phrase analy- sis techniques to enhance phrase- based IR. In par- ticular, we explored an extension of the ~phrase- based indexing in the CLARIT TM system ... from complex noun phrases exploiting both corpus- statistics and linguistic heuristics. Using such sub- compounds rather than whole noun phrases as in- dexing terms helps a phrase- based IR system...
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Báo cáo khoa học: "Automatic Evaluation Method for Machine Translation using Noun-Phrase Chunking" pptx
... noun phrases(2) Generalization by noun phrasesMT output :NP1 NP2 NP3Reference :NP NP3 NP1 NP2Figure 3: Example of generalization by noun phrases.Figure 3 presents three corresponding noun phrases ... MToutputs using noun- phrase chunking. Conse-quently, the system obtains scores using thecorrectly matched words and phrase- level in-formation based on the corresponding noun phrases. Experimental ... γ2Pwd multi(8)2.3 Phrase- level ScoreThe system calculates the phrase- level scoreusing the noun phrases obtained by chunking.First, the system extracts only noun phrasesfrom sentences....
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Báo cáo khoa học: "Noun Phrase Chunking in Hebrew Influence of Lexical and Morphological Features" potx
... labelling noun phrases in natural language text. The input to this task is free text with part-of-speech tags. The output is the same text with brackets around base noun phrases. A base noun phrase ... English base- NPs is any noun phrase that does not contain another noun phrase, with possessives treated as a special case, viewing the possessive marker as the first word of a new base- NP ... Abstract We present a method for Noun Phrase chunking in Hebrew. We show that the traditional definition of base- NPs as non-recursive noun phrases does not apply in Hebrew, and propose...
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Báo cáo khoa học: "Adding Noun Phrase Structure to the Penn Treebank" ppt
... Brunstein. 2005. BBN pronouncoreference and entity type corpus. Technical report, Lin-guistic Data Consortium.2472 MotivationMany approaches to identifying base noun phraseshave been explored ... dependency 1409 (1315) 1479 95.27 (88.91)By noun phrase 562 (489) 626 89.78 (78.12)By dependency,only annotated N Ps578 (543) 627 92.19 (86.60)By noun phrase, only annotated N Ps186 (162) 229 ... Australiadvadas1, james @it.usyd.edu.auAbstractThe Penn Treebank does not annotatewithin base noun phrases (NPs), commit-ting only to flat structures that ignore thecomplexity of English NPs....
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- structural noun phrase disambiguation
- complex noun phrase in messages
- learning noun phrase anaphoricity to improve coreference resolution
- coordinate noun phrase disambiguation
- adding noun phrase structure
- conundrums in noun phrase coreference resolution
- effects of noun phrase bracketing
- conundrums in noun phrase coreference resolution making sense of the stateoftheart
- understanding the semantic structure of noun phrase queries
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