Báo cáo khoa học: "AN EXTENDED OF HEAD-DRIVEN THEORY PARSING" pot

... AN EXTENDED THEORY OF HEAD-DRIVEN PARSING Mark-Jan Nederhof * University of Nijmegen Department of Computer Science Toernooiveld, 6525 ED Nijmegen ... here a theory of head-driven parsing going from crude top-down and head-corner to more sophisticated solutions, in the at- tempt to successively make more deterministic the be- haviour of head-driven ... we discuss...

Ngày tải lên: 31/03/2014, 06:20

... the basis of sequence similarities and consequent conserva- tion of fold, and stereochemical outcome of the reac- tion: inversion (single displacement) or retention (double displacement) of the ... composed of at least four subsites () 2 ⁄ + 2). The preferential release of GCNP from the chromogenic substrates excludes the use of direct spec- trophotometric assays. The strong con...

Ngày tải lên: 19/02/2014, 05:20

... to variables of logic unification with a scope of single productions: if one occurrence of a particular tag is instantiated as a result of unification, so are other occurrences of the same ... parsing. The major innovations of the proposed algorithm include the construction of a minimal size of GOTO table that does not require any preliminary instantiation of categor...

Ngày tải lên: 22/02/2014, 10:20

... a model of the sublanguage for event reporting which charac- terizes the message traffic, and (2), a model of the analyst-user's conceptualization of the world (i.e., a model of the entities ... characteristic of his world). THE SUBLANGUAGE The two sublanguage domains studied thus far consist of descriptions of events involving aircraft activities and launchings of...

Ngày tải lên: 08/03/2014, 18:20

... Exploration of Forest-to-String Translation: Does Translation Help or Hurt Parsing? Hui Zhang University of Southern California Department of Computer Science hzhang@isi.edu David Chiang University of ... variant of the n-best algorithm that allows efficient genera- tion of equivalence classes of derivations (Huang et al., 2006). The standard algorithm works by gener- ating, at ea...

Ngày tải lên: 30/03/2014, 17:20

... further part of the string depends on the type — for token it is orthografic forms and a list of interpre- tations; for group — number of heads of the group and lists of interpretations of syntactic ... Buczy ´ nski Institute of Computer Science Polish Academy of Sciences Ordona 21, 01-237 Warszawa, Poland olekb@ipipan.waw.pl Abstract The aim of this paper is to present a sim...

Ngày tải lên: 31/03/2014, 01:20

... possessors of noun phrases in determining the referents of noun phrases. As a result, on training sentences we ob- tained a precision rate of 82% and a recall rate of 85% in the determination of the ... the score of each category (Mu- rata and Nagao 1993). The value of the plausi- bility (P) is given by the score. the weight (W) of the salience of a possible referent...

Ngày tải lên: 31/03/2014, 04:20

... of the author and should not be interpreted as necessarily representing the Official polic=es or endorsements, either expressed or implied, of the Air Force Office Of S(;ientific Research of ... ordinarily expresses the state of development of a unit in terms of categories of constituents. 3. In the systemic framework, all variability of the structure of the result, a...

Ngày tải lên: 31/03/2014, 17:20

... consists of over 600 augmented phrase s~ructure rules, each of which is used in both analysis and trans fer/generatlon. METAL' s gr~-~-r rules are used in the parsing of all levels of structure ... Application of S~ate -of- the-Art Text and Natural Language Processing Techniques to the Translation of Technical Manuals, " Working Paper LRC-82-1, Linguistics Resear...

Ngày tải lên: 01/04/2014, 00:20

... finite set of string categories; T a finite set of terminal symbols; P a finite set of productions or rewriting rules of the form X ~t~, Xe N, ae (NUT)*; and S a distinguished symbol of N. A ... state, regardless of the ambiguity of the underlying grammar, the extended algorithm may generate several instances of this state, if the grammar is ambiguous. Each instance...

Ngày tải lên: 01/04/2014, 00:20