Báo cáo khoa học: "A Structure-Sharing Representation for Unification-Based Grammar Formalisms" doc

... data for the developers to clarify the defects of the grammar statistically. We applied willex to a large-scale HPSG-style grammar as an example. 1 Introduction There is an increasing need for ... target corpora to save debugging time and effort by priori- tizing them. 2 What Is the Ideal Grammar Debugging? There are already other grammar developing tools, such as a grammar writ...

Ngày tải lên: 08/03/2014, 04:22

... has been proposed would appear to be really beyond the reach of a concerted effort. For information retrieval, and for social science, the implications of having a computer program able to reproduce ... all of it—becomes transformed into “meaningful” informa- tion before or as it reaches the person’s action direc- tion center. We may ask: What is the nature of the transformation i...

Ngày tải lên: 23/03/2014, 13:20

... green for words having a full agree- ment, red for words where no agreement can be found, orange for those words on which a valida- tion policy can be applied. A validation policy is a strategy for ... Hirst, 1991). An excerpt of the context-free grammar encoding semantic in- terconnection patterns for the WordNet lexicon is reported in Table 1. For the full set of interconnec-...

Ngày tải lên: 31/03/2014, 01:20

... to the grammar writer. We have found such information essential in writing large grammars for the ACORD project. Second, data typing forces the grammar writer to make the structure of linguistic ... allowed within the grammar. This compile-time type-checking of the structures designed by the grammar writer allows more useful error informa- tion to be presented to the grammar...

Ngày tải lên: 22/02/2014, 10:20

... incu- bated for 4 days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses. Immunocytochemistry Neurons were fixed in 4% paraformaldehyde for 20 min at ... to transformed Ca 2+ -competent E. coli cells (ER2566) by heat shock. The transformed cells were spread on LB agar plates containing ampicillin (50 mgÆL )1 ), single colonies were picked fo...

Ngày tải lên: 18/02/2014, 13:20

... labelled information for training. Our sys- tem extracts transliteration pairs in an unsupervised fashion. It is also able to utilize labelled information if available, obtaining improved performance. We ... of the Association for Computational Linguistics, pages 469–477, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A Statistical Model for...

Ngày tải lên: 19/02/2014, 19:20

... evaluate their performance on small and large corpora. 2 Synchronous context free grammar A synchronous context free grammar (SCFG, (Lewis II and Stearns, 1968)) generalizes context- free grammars to ... p null = 10 −10 for this value in the experiments we report below. 784 either φ P z i for phrase pairs or φ null for single lan- guage phrases. We choose Dirichlet process (DP) prio...

Ngày tải lên: 20/02/2014, 07:20

... a considerable engineer- ing effort, yet there is very limited avail- ability of off-the shelf tools for researchers whose interests are not in coreference, or for researchers who want to concentrate ... standoff format of the MMAX2 annotation tool (M ¨ uller and Strube, 2006) with MiniDiscourse, a library that efficiently imple- ments a subset of MMAX2’s functions. Using a generic format...

Ngày tải lên: 20/02/2014, 09:20

... allows that use of future information in ad- dition to past information. The pipeline model nat- urally allows access to all the past information. Algorithm 3 Pseudo code for the look ahead algo- rithm. ... rightmost S action taken before a non-S action happens. Note that it is possible that there is a relation between a and b, but we can- not perform R or L now. Therefore, we should consid...

Ngày tải lên: 20/02/2014, 12:20

... general information about the system’s components, a description and time- stamp for each system event and user event, names and timestamps for the system-recorded sound files, and timestamps for ... Figure 5 System architecture The underlying database of movie information is stored in XML format. When a new database is available, a Grammar Compiler component ex- tracts and nor...

Ngày tải lên: 20/02/2014, 12:20