Báo cáo khoa học: "Expressing Implicit Semantic Relations without Supervision" pot

... 313–320, Sydney, July 2006. c 2006 Association for Computational Linguistics Expressing Implicit Semantic Relations without Supervision Peter D. Turney Institute for Information Technology National ... mines large text corpora for patterns that express implicit semantic re- lations. For a given input word pair YX : with some unspecified semantic relations, the correspon...

Ngày tải lên: 31/03/2014, 01:20

... of a word in terms of its relations with other words, where these relations may not simply 98 JONES be synonymy relations, but may include other such semantic relations. ” It may indeed ... of other semantic relations. The Definition of Intra-Linguistic Meaning in Terms of Semantic Relations For our purpose we need a manageable, straightfor- ward relation or set of...

Ngày tải lên: 19/02/2014, 19:20

... 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 ... involves identifying their semantic class, which is a primary focus of previous works, but also understanding their semantic structure. In this work, we formally define the sema...

Ngày tải lên: 20/02/2014, 04:20

... Second, parsers provide semantic classifiers plenty of syntactic information, not to only recog- nize arguments from all candidate constituents but also to classify their detailed semantic types. We empirically ... solver can be directly trained without using hierarchical architecture. There are also some attempts at re- laxing the necessity of using full syntactic parses, and semantic...

Ngày tải lên: 20/02/2014, 04:20

... in 1 http://http://www.ldc.upenn.edu/ 305 this field with an automatic method, but to guide re- search by generating new hypotheses about the de- velopment of semantic change. 2 Related work The computational modeling of word senses is based on ... better understanding of diachronic developments and also generate hypotheses for further investigations. 3 An interactive visualization approach...

Ngày tải lên: 20/02/2014, 05:20

... MI radev@umich.edu Abstract We present a method for identifying the pos- itive or negative semantic orientation of for- eign words. Identifying the semantic orienta- tion of words has numerous applications in the areas ... they are semantically related. The network has English- English, English-Foreign and Foreign-Foreign con- nections. Some of the English words will be used as seeds for...

Ngày tải lên: 20/02/2014, 05:20

... glosses provided for the same term by different lexical semantic re- sources. We compare monolingual trans- lation models built from lexical semantic resources with two other kinds of datasets: manually-tagged ... quality of the semantic infor- mation encoded in the translation tables has never been assessed intrinsically. To do so, we com- pare translation probabilities with concept ve...

Ngày tải lên: 20/02/2014, 07:20

... evaluation would prove to be meaningless. Semantic relations between drugs, as captured in UMLS, provide an effective method for organizing results—these relations cannot be captured by keyword ... hierarchical agglomerative cluster- ing algorithm (Zhao and Karypis, 2002) that uti- lizes semantic relationships within UMLS to com- pute similarities between interventions. Iteratively, w...

Ngày tải lên: 20/02/2014, 12:20

... these resources focus on symmetric semantic relations, such as verb similarity. Yet, not enough attention has been paid so far to the study of asymmetric verb relations, that are often the only ... relation win(x) → play(x). Selectional preferences have been often used to infer semantic relations among verbs and to build symmetric semantic resources as in (Resnik and Diab, 2000; Lin...

Ngày tải lên: 20/02/2014, 12:20

... PRED features and their " ;semantic form" values are given special treatment. Instead of introduc- ing PRED terms we build unary relations with the semantic form predicate name as ... transfer on the semantic UDRS representations does not suffer from such prob- lems. Head switching is dealt with in the con- struction of semantic representations. Under- specified sem...

Ngày tải lên: 20/02/2014, 18:20