Báo cáo khoa học: "Which Noun Phrases Denote Which Concepts" pot

Báo cáo khoa học: "Locating noun phrases with finite state transducers" pdf

... for constructing, main- taining and consulting a database of proper nouns. We describe noun phrases composed of a proper noun and/or a description of a hu- man occupation. They are formalized ... occupations through out the period over which our corpus extends?' In the first case, non trivial occurrences of noun phrases are located, that is phrases not containing words present in ... database, which is the case of roughly one word out of two, according Zipf's law 1 (Zipf, 1932). We are particularly interested in finding noun phrases containing or referring to proper nouns,...

Báo cáo khoa học: "Extracting Noun Phrases from Large-Scale Texts: A Hybrid Approach and Its Automatic Evaluation" pot

... of noun phrases (maximal noun phrases, minimal noun phrases and ordinary noun phrases) are defined first. Maximal noun phrases are those noun phrases which are not contained in other noun phrases. ... of ordinary noun phrases (NP), maximal noun phrases (MNP), minimal noun phrases (mNP) in SUSANNE Corpus. MmNP denotes the maximal noun phrases which are also the minimal noun phrases. On ... is presented to extract the noun phrases. Most importantly, the relations of maximal noun phrases, minimal noun phrases, ordinary noun phrases and applicable noun phrases are distinguished in...

Báo cáo khoa học: "Parsing Noun Phrase Structure with CCG" potx

... NPs of three nouns only:• (crude oil) prices – left-branching• world (oil prices) – right-branchingLauer (1995) presents two models to solve this prob-lem: the adjacency model, which compares ... categories (also called supertags)are made up of basic atoms such as S (Sentence)and NP (Noun Phrase), which can be combined toform complex categories. For example, a transitiveverb such as ... generate thetwo forms of output that CCGbank contains: AUTOﬁles, which represent the tree structure of each sen-tence; and PARGﬁles, which list the word–word de-pendencies (Hockenmaier and Steedman,...

Báo cáo khoa học: "Which Noun Phrases Denote Which Concepts" pot

... of noun phrases matching ≥ 1 Freebase concept divided by 100, thetotal number of noun phrases. Sense recall is the re-ciprocal of the average number of Freebase conceptsper noun phrase. Noun ... The distributionshows that most noun phrases are unambiguous, buta small number of noun phrases have a large num-ber of senses. In many cases, these noun phrases 576are generic terms for ... set, we randomly sam-pled noun phrases from each category and manuallymatched each noun phrase to one or more real-worldentities. We then found other noun phrases which re-ferred to each entity...

Tài liệu Báo cáo khoa học: "Identifying Noun Product Features that Imply Opinions" pdf

... Limited work has been done on nouns and noun phrases. In our work, we used the feature-based opinion mining model, and we found that in some domains nouns and noun phrases that indicate product ... cases, these nouns are not subjective but objective. Their involved sentences are also objective sentences and imply positive or negative opinions. Identifying such nouns and noun phrases and ... handle nouns or noun phrases. Although Zagibalov and Carroll (2008) noticed the issue, they did not study it. Esuli and Sebastiani (2006) used WordNet to determine polarities of words, which...

Tài liệu Báo cáo khoa học: "AUTOMATIC NOUN CLASSIFICATION BY USING " ppt

... the number of nouns which are included in both the ith cluster of A and the jth cluster of B n.j : the number ofnouns which are included in the jth cluster of B n : all nouns which are included ... semantic similarity between two nouns, because it is the ratio of the verb senses with which both nouns (a and b) occur and all the verb senses with which each noun (a or b) occurs. The distance ... "distributional hypothesis"[Harris] in linguistics. Focusing on nouns, the idea claims that each noun is characterized by Verbs with which it occurs, and also that nouns are similar to...

Báo cáo khoa học: "Supervised Noun Phrase Coreference Research: The First Fifteen Years" pptx

... coreference resolution of noun phrases. Computational Linguistics, 27(4):521–544.Veselin Stoyanov, Nathan Gilbert, Claire Cardie, andEllen Riloff. 2009. Conundrums in noun phrasecoreference ... Empirical Evaluations ofPronoun Resolution. Ph.D. thesis, University ofRochester, USA.Olga Uryupina. 2003. High-precision identiﬁcation ofdiscourse new and unique noun phrases. In Proceed-ings ... rankers are conceptually similarto Lappin and Leass’s (1994) heuristic pronoun re-solver, which resolves an anaphoric pronoun to themost salient preceding cluster.An important issue with ranking...

Báo cáo khoa học: "Adding Noun Phrase Structure to the Penn Treebank" ppt

... developed from the Penn Treebank, torepresent noun phrase structure more accurately.2402 MotivationMany approaches to identifying base noun phrases have been explored as part of chunking ... three word noun sequencesfrom all the ambiguous NPs. If the last three chil-dren are nouns, then they became an example in ourdata set. If there is a NML node containing the ﬁrsttwo nouns then ... and seman-tic structure, which will improve the performance ofdownstream NLP systems.Our main contribution is a gold-standard labelledbracketing for every ambiguous noun phrase in thePenn...

Báo cáo khoa học: "IDENTIFYING CUE PHRASES INTONATIONALLY" ppt

... Cue phrases are words and phrases such as now and by the way which may be used to convey explicit information about the structure of a discourse. However, while cue phrases may convey discourse ... for these items, which we will adopt in this paper. 2. If 'non-lexical' items such as uh are classed as cue phrases, then this generalization may not hold for all cue phrases. However, ... of cue phrases in general both in speech and in written text. 2. The Problem Previous definitions of cue phrases as a class have been extensional and definitions of particular cue phrases...

Báo cáo khoa học: "Word or Phrase? Learning Which Unit to Stress for Information Retrieval∗" doc

... method on two different types of phrases: syntactic head-modiﬁer pairs (syntac-tic phrases) and simple bigram phrases (statisti-cal phrases) . To index the syntactic phrases, weuse the method proposed ... approach in modeling statistical phrases suchas n-grams or proximity-based phrases. Some ofthem showed promising results in their experi-ments by taking advantages of phrases soundly ina retrieval ... contribution of words and phrases. For-mally, the model ranks a document D according tothe probability of D generating phrases in a givenquery Q, assuming that the phrases occur indepen-dently:s(Q;...

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