Báo cáo khoa học: "A FLEXIBLE NATURAL LANGUAGE PARSER BASED ON A TWO-LEVEL REPRESENTATION OF SYNTAX" ppt

... A FLEXIBLE NATURAL LANGUAGE PARSER BASED ON A TWO-LEVEL REPRESENTATION OF SYNTAX Leonardo Lesmo and Pietro Torasso Istituto di Scienze dell'Informazione Universit~ di Torino C.so Massimo ... different types of nodes which have been defined are listed in Table i. As stated in the introduction, the system should act a~ a natural language front-end for...

Ngày tải lên: 18/03/2014, 02:20

... make database languages more like natural language. However Prolog is much more general than relational database formalisms, in that it permits data to be defined by general rules having ... "top-down" approach, as reallsed in the language Prolog, has a great deal in common with the relational approach to databases, which can be seen as the result of a "botto...

Ngày tải lên: 21/02/2014, 20:20

... achieved by natural language database access sys- tems varies considerably, with the sore robust systems operating vithtn a narrow domain (i.e., content area) and relying heavily on domain-speci- ... the same way as to the technician. That is, whatever the techni- cian would understand, the program should understand. For example, a natural language front end to a stock...

Ngày tải lên: 21/02/2014, 20:20

... interfaces met this criterion admirably. 3. The task should motivation investigation of a set of language phenomena of recognizable theoretical significance that can be addressed from a computational ... potential real-world utility of the resultant system. Because of such reasons, the data base query task was an excellent paradigmatic problem for computational linguisti...

Ngày tải lên: 21/02/2014, 20:20

... position of its translation. The phrasal organization of natural languages is well known and has been described by (Jack- endorff, 1977) among many others. The tra- 985 ditional alignment ... incorporation of TRs adds an "example- based& quot; touch to the statistical approach. In a very naive approach a TR could be represented by a translation example. The obvious...

Ngày tải lên: 08/03/2014, 05:21

... similar to that of target translation in a large amount of corpora. 3) Acquiring transla- tions from a combination of translations of con- stituent words (Li et al., 2003). 4) Acquiring translations ... single -language IR or pre-translation PRF and post-translation PRF in CLIR, the feedback results are from source language to source language or target language to targ...

Ngày tải lên: 17/03/2014, 04:20

... Figure 1. At the beginning we are given an adaptation spoken corpus and manual transcriptions. Based on a base- line lexicon (Lex 0 ) and a language model (LM 0 ) we perform ASR on the adaptation corpus ... pronunciations from all component characters’ canonical pronun- ciations. 4.2 ASR Character Accuracy Results A set of broadcast news corpus collected from a Chinese radio...

Ngày tải lên: 20/02/2014, 07:20

... you please elaborate on that specific situa- tion?' Data Analysis The qualitative analysis is based on a phenomenographic approach; that is a qualitative method to use empiric data (e.g., ... Corresponding author Abstract Background: Results of analyses based on veterinary records of animal disease may be prone to variation and bias, because data collection for these r...

Ngày tải lên: 25/10/2012, 10:45

... columns (Amersham Bio- sciences ⁄ GE Healthcare, Piscataway, NJ, USA), superfine G-25 Sephadex (Pharmacia ⁄ Pfizer, Oakville, ON, Canada) and a stirred ultrafiltration cell (Amicon Bioseparations ⁄ Millipore, ... partially metallated domain species, supporting the model of a noncooper- ative metallation mechanism. Although a distinction between partially metallated intermediates and the...

Ngày tải lên: 19/02/2014, 00:20

... spectrum of the GPAO/DAPY reaction mixture prepared in 0.1 M ammonium bicarbonate containing ACA as a reagent for trapping of the product aminoaldehyde, where several new peaks appeared. ACA itself ... Only a few amino acid side c hains seem to be modified as a result of the reaction. A major part of DAPY oxidation product, aminopentynal, after the conjugate addition of an un...

Ngày tải lên: 19/02/2014, 16:20