Báo cáo khoa học: "A Generic Approach to Parallel Chart Parsing with an Application to LinGO" pdf

... A Generic Approach to Parallel Chart Parsing with an Application to LinGO Marcel van Lohuizen Faculty of Information Technology and Systems Delft University of Technology Delft, The Netherlands mpvl@acm.org Abstract Multi-processor ... years, many improvements to existing parsing techniques have boosted the perfor- mance of parsers by many factors (Oepen and Callmeier,...

Ngày tải lên: 31/03/2014, 04:20

... As a result, large quantities of NE instances are automatically acquired. An automatically annotated NE corpus can then be constructed by extracting the tagged instances plus their neighboring ... the repository. 4. The proper names tagged in Step 3 and their neighboring words are put together as an NE annotated corpus. 5. An HMM is trained based on the annotated corpus. 3 Pa...

Ngày tải lên: 20/02/2014, 16:20

... proceding to answer the ques- tion or to seek information relevant to formulat- ing an answer. However IS may refuse to accept the question posed by IP because he does not understand It (perhaps ... fragment relevant to the identified discourse goal. PLAN-ANALYSIS COMPONENT I. Association of Fragments The plan-analysls component is responsible for associating an ellipti...

Ngày tải lên: 21/02/2014, 20:20

... Hinrichs, E.W., Ayuso, D.M., and Scha, R. The Syntax and Semantics of the JANUS Semantic Inter- pretation Language. In Research and Development in Natural Language Understanding as Part of the Strategic ... Notebook of Speech and Natural Language Workshop, 1989. To be reprinted by Mor- gan Kaufmann Publishers. 202 A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAG...

Ngày tải lên: 21/02/2014, 20:20

... devising an automatic parsing system. The present method provides an analysis, albeit a fallible one, for any input sentence and therefore the success rate of the tagging scheme can be assessed and ... Oslo. Ku~era, H. and Francis, W.N. (196~, revised 1971 and 1979). Manual of Information to accompany A Standard Corpus of Present-Day Edited American EaRlish, for use with Di...

Ngày tải lên: 22/02/2014, 09:20

... in mutants omcA – and omcB – . Specific oligonucleo- tides were used to amplify omcA (lane 2), omcB (lane 3), mtrA (lane 4) and mtrB (lane 5) in the omcA – mutant, and omcA (lane 7), omcB (lane ... MR-1R (lane 1), mutants omcA – (lane 2), omcB – (lane 3), and omcA – omcB – (lane 4), and complemented strains omcA – ⁄ pBAD202 ⁄ D-TOPOomcA (lane 5) and omcB – ⁄ pBAD202 ⁄ D-TOPOomcB (lane 6). .....

Ngày tải lên: 07/03/2014, 09:20

... will in fact change to random search. Our mutation operator includes a proba- bility (3%) that an arbitrary weight in a vector will be changed by a uniformly randomized factor in the range of [−0.3, ... tech- niques that can be readily applied to text in any language without depending on language-specific linguistic tools. In the absence of such techniques, the only alternative to lang...

Ngày tải lên: 07/03/2014, 22:20

... relate to each other and how we can use these relations and the formal- ism itself to prove their correctness. 1.1 Parsing schemata Parsing schemata (Sikkel, 1997) provide a formal, simple and uniform ... algorithm to parse sen- tences correctly, we will need to define D-rules to allow w 0 to be linked to the real sentence head. 3.3 ES99 (Eisner and Satta, 99) Eisner and Satt...

Ngày tải lên: 08/03/2014, 01:20

... shows that clusters of vector-space- based patterns can be successfully employed to detect specific IE relationships (companies and their headquarters), and Ravichandran and Hovy’s (2002) algorithm ... verbs and rank them according to their similarity to “introduce” and “propose”. In both cases, the ranking step retains variants that preserve the semantics of the cue phrase (e.g. “de- ve...

Ngày tải lên: 08/03/2014, 02:21

... grammar. Each tokenized table was tagged by the human judge with a list of types T relevant to the table. The relevance is defined as follows: a data model is relevant to a table if and only if the human would ... in many ways equivalent to the overlay of prosody on speech Just as prosody undoubtedly contributes to the meaning of utterances, so too does a text’s graphical presentatio...

Ngày tải lên: 08/03/2014, 02:21