semantic+classification+of+noun+phrases

... this paper was twofold. Firstly, we wanted to compare the performance of different machine learning algorithms on the task of map- ping from a vector of web frequencies of para- phrases containing ... Roxana Girju. 2004. Models for the Se- mantic Classification of Noun Phrases. In Proceed- ings of the HLT/NAACL Workshop on Computational Lexical Semantics. pp 60-67 Boston , MA. Preslav Nakov ... Association for Computational Linguistics Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms Paul Nulty School of Computer Science and Informatics University...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 14/12/2013, 00:40

... Linguistics Understanding the Semantic Structure of Noun Phrase Queries Xiao Li Microsoft Research One Microsoft Way Redmond, WA 98052 USA xiaol@microsoft.com Abstract Determining the semantic intent of web queries ... the semantic structure of noun phrase queries, i.e., IHs, IMs and the semantic labels of IMs. In particular, we investigate the use of transition, lexical, semantic and syntactic features. The semantic ... attempt to define the semantic structure of noun phrase queries. We propose statistical methods to automatically ex- tract IHs, IMs and the semantic labels of IMs us- ing a variety of features. Experiments...

Ngày tải lên: 20/02/2014, 04:20

... of the number of nouns: Plural nouns generally translate as plural nouns, while singular nouns generally translate as singular Preservation of prepositions: base preposi- tional phrases within ... translation of noun phrases. They constitute soft constraints that may be over- ruled by other components of the system. 5 Results As described in Section 3.1, we evaluate the per- formance of our ... Generation of word graphs in statistical machine translation. In Proceedings of EMNLP. Why is there such a considerable discrepancy be- tween the number of noun phrases that can be trans- lated as noun...

Ngày tải lên: 20/02/2014, 16:20

... noun - noun pairs encoding different types of ambiguity: in set#1 the noun constituents had only one part of speech and one WordNet sense; in set#2 the nouns had at least two possible parts of ... maps uniquely into one of a predefined list of semantic relations, and any feature pair above the boundary maps into more than one semantic relation. For any new pair of noun noun senses, the model ... and SC h = {f h j } the sets of semantic class features for modifier noun and, respectively head noun. A pair of <modifier – head> nouns maps uniquely into a semantic class feature pair <...

Ngày tải lên: 17/03/2014, 04:20

... since Lakoff (1965). (For a more precise seman- tic characterization of stativ¢s see Dowty, 1979.) Classic examples of stative verbs are know, believe, desire, and love. A number of syntactic ... investigating automatic acquisition of semantics. Hindle and Smadja and McKeown rely purely on the ability of one particular word to statistically predict the occurrence of another in a particular ... second source of noise is failure of the learner to detect the cue accurately. The accuracy of our automatic cue detection detection is described in the following section. 2.5 Accuracy of Cue Detection...

Ngày tải lên: 24/03/2014, 05:21

... evaluation, any one of the categories of an am- biguous word is considered correct. 5.2 Result On the test set, the baseline predicts 53.50% of adjectives, 70.84% of nouns and 47.19% of verbs correctly. ... baseline semantic categorization performance for adjectives and verbs, but not for nouns. The lack of a performance increase for nouns is most likely because nouns only have one kind of morpho- syntactic ... Common noun 33.73% 37.12% Proper noun 7 25.18% 16.53% Location noun 8 12.48% 10.38% Time noun 9 2.98% 2.36% Verb 24.04% 32.11% Table 2 The distribution of unknown words and all lexi- cons of...

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 31/03/2014, 04:20

... upper levels of NTT Semantic Feature Dictionary. that the verb kakou-suru takes two cases, nouns of AGENT semantic feature can fill the ga-case slot and nouns of CONCRETE semantic feature ... Hi- taka. 1995. Semantic structure of Japanese noun phrases NP no NP (in Japanese). Transactions of Information Processing Soci- ety of Japan, 36(6):1441-1448. 488 Table 1: Semantic relations ... in constructing a semantic- role dictionary for nouns in the special format for machine-use. 3 Interpretation of N1 no N2 using a Dictionary Semantic- role information of nouns in an ordi-...

Ngày tải lên: 08/03/2014, 06:20

... interpretation of the phrases depends mainly on the semantic characteristics of the nouns. This paper describes the semantic diversity of A no B and a method of semantic analysis for such phrases ... Japanese has many noun phrase patterns of the type A no B consisting of two nouns A and B with an adnominal particle no. As the semantic relations between the two nouns in the noun phrase are ... proposals for its semantic analysis. This paper describes a) the semantic diversity of A no B, b) the analysis of the semantic structure for A no B by a unification-based method of semantic function...

Ngày tải lên: 17/03/2014, 20:20

... Summary of Actions Underlying Noun Phrases There are many distinctions that one could draw between noun phrases, only some of which are relevant to planning. For example, one could distinguish noun ... plan-based treatment of many more uses of noun phrases. 2 Research Objectives The analysis presented in this paper represents one of the first steps toward a plan-based account of definite and ... definite and in- definite noun phrases. Ideally, such an account would (1) provide a semantics for noun phrases, (2) define an actions like "uttering a definite noun phrase, ~ and (3) provide...

Ngày tải lên: 21/02/2014, 20:20

... work is the relationship of ac- curacy of the estimation of semantic orientation at the level of individual phrases to accuracy of re- view classification. Since the review classification is based ... orientation and the author’s rating out of five stars. Table 4. A summary of the corpus of reviews. Domain of Review Number of Reviews Average Phrases per Review Automobiles 75 20.87 ... is thus a measure of the degree of statistical dependence between the words. The log of this ratio is the amount of information that we acquire about the presence of one of the words when...

Ngày tải lên: 08/03/2014, 07:20

... 'rare' types, defined in terms of rate of occurrence relative to the rate of occurrence of the commonest type, will crop up fairly often in naturally occurring samples of NPs. For ins- tahoe, if ... coordinator and coordination of N or coordination of N, all conjuncts with same PLU value and coordination of N1 or coordination of N1, all conjunets PLU - or coordination of N1, all conjuncts ... and coordination of N2 and coordination of N2 but no coordinators (i.e. a list) both.and coordination of N2 or coordination of N2, all conjuncts PLU - or coordination of N2, differing...

Ngày tải lên: 09/03/2014, 01:20

... structure of the semantic orientations of phrases. Inui (2004) introduced an attribute plus/minus for each word and proposed several rules that determine the semantic orientations of phrases on ... version, which is more suitable for this task of semantic orientation classification of phrases. Fujita et al. (2004) addressed the task of the de- tection of incorrect case assignment in automat- ically ... internal structure of semantically oriented phrases by way of latent variables. The more complex structure of the tri- angle model resulted in the accuracy that is higher than that of the U-shaped...

Ngày tải lên: 17/03/2014, 22:20

... our analysis of adjective-nouns phrases to noun- noun phrases, where participants will be shown noun phrases (e.g. carrot knife) and instructed to think of a likely meaning for the phrases. Unlike ... between each of the 12 pairs of nouns and adjective -noun phrases. The average classification for phrases with object-modifying adjectives is 0.76, whereas classification accuracies for phrases ... modify the meaning of the noun, rather than conjoining the meaning of the adjective and noun. In this study, we represented the meaning of both adjectives and nouns in terms of their co- occurrences...

Ngày tải lên: 30/03/2014, 23:20

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 31/03/2014, 17:20

... knee joint [8]. This classification system consists of 4 stages (Table 1) and combines intraarticular findings of the soft tissues as well as radiological alterations of the infected joint. ... expectancy of the im- plants is increased and patients are followed up longer. Depending on the time of infection manifesta- tion, presence of any hardware, virulence and antibi- otic profile of the ... revision surgery. Table 1: Arthroscopic classification of joint infections according to Gächter [8]. Stage I opacity of fluid, redness of the synovial membrane, possible petechial bleeding,...

Ngày tải lên: 26/10/2012, 09:57

Ngày tải lên: 19/06/2013, 01:25

Ngày tải lên: 26/11/2013, 13:16