browsing through portuguese semantic relations

... Folheador, an online service for browsing through Portuguese semantic relations, acquired from differ- ent sources. Besides facilitating the ex- ploration of Portuguese lexical knowledge bases, ... April 23 - 27 2012. c 2012 Association for Computational Linguistics Folheador: browsing through Portuguese semantic relations Hugo Gonc¸alo Oliveira CISUC, University of Coimbra Portugal hroliv@dei.uc.pt Hernani ... LKBs, in addition to information on words and semantic relations, it is important that these interfaces provide usage ex- amples where semantic relations hold, or at least where related words...

Ngày tải lên: 08/03/2014, 21:20

Ngày tải lên: 17/03/2014, 02:20

... automatically ontologiz- ing (attaching) semantic relations into WordNet. We present an empirical evaluation on the task of attaching part- of and causation relations, showing an improvement on ... two algorithms for ontologizing binary semantic relations into WordNet and we present empirical results on the task of attaching part-of and causa- tion relations. Formally, given an instance ... complex lexi- cal structures like binary semantic relations, the paper focused only on attaching terms. Basili (2000) proposed an unsupervised method to infer semantic classes (WordNet syn- sets)...

Ngày tải lên: 20/02/2014, 12:20

... representation of semantic relations using recursive lexico-syntactic patterns. • An automatic procedure to learn the se- lectional restrictions (arguments and super- types) of semantic relations from ... ar- guments and the supertypes of a diverse set of semantic relations from the Web. We evaluate the performance of our algo- rithm on multiple semantic relations ex- pressed using “verb”, “noun”, and ... de- notes some (unspecified) semantic relation while the first and third denote the learned arguments of this relation. But TextRunner does not seek spe- cific semantic relations, and does not re-use...

Ngày tải lên: 07/03/2014, 22:20

... on extract- ing semantic relations between entities, such as entailments (Szpektor et al. 2004), is-a (Ravi- chandran and Hovy 2002), part-of (Girju et al. 2006), and other relations. The ... various seman- tic relations exemplified by a given small set of seed instances. We consider the standard is-a and part-of relations as well as the following more specific relations: • succession: ... auto- matically harvesting shallow semantic resources. With seemingly endless amounts of textual data at our disposal, we have a tremendous opportu- nity to automatically grow semantic term banks and...

Ngày tải lên: 08/03/2014, 02:21

... of se- mantic relations to decide the semantic relation for NCs. 3 Semantic Relations in Compound Nouns While there has been wide recognition of the need for a system of semantic relations with ... of semantic relations. Based on the pioneering work on Levi (1979) and Finin (1980), there have been efforts in com- putational linguistics to arrive at largely task- specific sets of semantic relations, ... of semantic relations. First we map verb tokens in sentential con- texts to a fixed set of seed verbs using WordNet::Similarity and Moby’s Thesaurus. We then match the sentences with semantic relations...

Ngày tải lên: 08/03/2014, 02:21

... particular semantic rela- tion like hypernymy or purpose linking the two input words, e.g., "return" is a hypernym of "forehand." • Many heuristics look for particular semantic ... and Retrieval with Semantic Background Knowl- edge" Ph.D thesis, MIT Media Laboratory. 4. Chakravarthy, Anil S. and Haase, Kenneth B. 1995. "NetSerf: Using Semantic Knowledge to ... Text Retrieval," in Pro- ceedings of SIGIR'93. 295 Sense Disambiguation Using Semantic Relations and Adjacency Information Anil S. Chakravarthy MIT Media Laboratory 20 Ames Street...

Ngày tải lên: 08/03/2014, 07:20

... promising direction is to investigate relational models for un- supervised semantic analysis of noun compounds. The range of semantic relations that can be ex- pressed by compounds is the subject of some ... is evidence that the same semantic relation tends to hold between the members of each pair. A re- lational distributional hypothesis therefore states that two word pairs are semantically similar if ... including SAT verbal analogy tests, synonym/antonym classification and distinction between semantically similar and semantically as- sociated words. Our future research plans include investigating the...

Ngày tải lên: 08/03/2014, 21:20

Ngày tải lên: 17/03/2014, 04:20

Ngày tải lên: 17/03/2014, 06:20

Ngày tải lên: 23/03/2014, 17:20

Ngày tải lên: 31/03/2014, 01:20

... syntactic features from Section 4. Semantic The semantic features from Section 4. All Both syntactic and semantic features. All+Tmp (Causals Only) Syntactic and semantic features, plus the gold-standard ... of parallel temporal and causal relations and exploring machine learning approaches to extracting these relations. 2 Related Work Much recent work on temporal relations revolved around the TimeBank ... showed that temporal relations between a verb and a complement clause could be identified with accuracies of nearly 90%. Recent work on causal relations has also found that arbitrary relations in text...

Ngày tải lên: 08/03/2014, 01:20

Ngày tải lên: 17/03/2014, 08:20

Ngày tải lên: 22/03/2014, 16:20

Ngày tải lên: 23/03/2014, 14:20

Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 17/09/2012, 10:43

Ngày tải lên: 04/10/2012, 10:24