Báo cáo khoa học: "SemTAG: a platform for specifying Tree Adjoining Grammars and performing TAG-based Semantic Construction" pptx

... ACL 2007 Demo and Poster Sessions, pages 13–16, Prague, June 2007. c 2007 Association for Computational Linguistics SemTAG: a platform for specifying Tree Adjoining Grammars and performing TAG-based ... SEMTAG namely, Feature-Based Lexicalised Tree Adjoining Gram- mar and L U . Tree Adjoining Grammars (TAG) TAG is a tree rewriting system (Joshi and S...

Ngày tải lên: 31/03/2014, 01:20

... environments for standard unification grammars, less attention has been paid to the issue of developing such environ- ments for tree based grammars that is, grammars like Tree Adjoining Grammars (TAG) ... ((Candito, 1999), (Gaiffe et al., 2002)), 2 As we shall later see, a content can in fact be multi- dimensional and integrate for instance both semantic and syn- tax/s...

Ngày tải lên: 22/02/2014, 02:20

... probability measures to Tree Adjoining Languages To gain some intuition about probability assign- ments to languages, let us take for example, a language well known to be a tree adjoining lan- ... calized grammars, there could be some auxiliary trees that are assigned some probability mass but which can never adjoin into another tree. Such auxiliary trees are termed unr...

Ngày tải lên: 23/03/2014, 19:20

... test-bed is reliable (JACK measure). 2 Formal constraints on any evaluation framework based on similarity metrics We are looking for a framework to evaluate au- tomatic summarisation systems objectively ... Sistemas Inform ´ aticos Universidad Nacional de Educaci ´ on a Distancia c/Juan del Rosal, 16 - 28040 Madrid - Spain {enrique,julio,anselmo,felisa}@lsi.uned.es Abstract This paper p...

Ngày tải lên: 17/03/2014, 05:20

... Towards a Resource for Lexical Semantics: A Large German Corpus with Extensive Semantic Annotation Katrin Erk and Andrea Kowalski and Sebastian Pad ´ o and Manfred Pinkal Department of Computational ... implemented that will pro- vide a graphical interface for the annotation. It will display the syntactic structure and allow for a graph- ical manipulation of semantic...

Ngày tải lên: 17/03/2014, 06:20

... nei- ther practicable nor feasible as the real world and its objects, models and processes are constantly changing and so are their denotations. This work assumes that a viable approach to this challenging ... for English and German texts to semi-automatically create an ontology, which includes algorithms for term extraction, for concept association extraction and for onto...

Ngày tải lên: 23/03/2014, 18:20

... validation of automatically ex- tracted clusters of term candidates by a ter- minologist and a domain expert. The vali- dation is performed through a data-base in- terface. The links are automatically ... dedicated to the diagnosis support ~n pathol- ogy ([Broussais]), a semantic dictionary for the Menelas Natural Language Understanding sys- tem ([Menelas]), and a str...

Ngày tải lên: 24/03/2014, 03:20

... Inderjeet Mani and Mark T. Maybury, edi- tors, Advances in Automated Text Summarization. MIT Press. Regina Barzilay and Michael Elhadad. 1997. Using lex- ical chains for text summarization. In ... Company3 Comparison1 GrowthSlowed1Market1 MissForecast1SalesForecast1 Comparison2 CounterArgument1 MarketFluctuations1 Protected1 EarningsForecast2 AmountPerShare3 EarningsForecast3 AmountPerS...

Ngày tải lên: 30/03/2014, 21:20

... by AT&T Language Line's customers in whatever format they happen to be available in. All too often these texts are not available in electronic form. And even if they are available ... characters. The diagonals and squares are commonly found in dotplots of parallel text. The squares have a very simple explanation. The upper-left quadrant and the lower-right quadrant ar...

Ngày tải lên: 31/03/2014, 06:20

... 2004, the manual evaluation was based on a comparison with a single human-written model. Much information in the evaluated summaries (both human and auto- matic) was marked as “related to the ... this matching process, and ROUGE are the evaluation metrics used. As proposed by Copeck and Szpakowicz (2005), the availability of human-annotated pyramids con- stitutes a gold-standard t...

Ngày tải lên: 20/02/2014, 12:20