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 a relational data base. The structure ... is a potential garden path in a psych~ logically plausible way. - The semantic knowledge plays a fundamental role in choosing a particular analysis. Milne argues that a one-word lookahead,...

Tài liệu Báo cáo khoa học: "ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES FROM A LOGIC PROGRAMMING PERSPECTIVE" doc

... 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 "bottom-up" effort to make ... semantics in an efficient way, giving results comparable to what could be achieved if a formal database query language were used in place of NL. As a first approximation, Chat treats plural definite...

Tài liệu Báo cáo khoa học: "Domain-Independent Natural Language Database Access Systems" pptx

... 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 market database ... knowledge and neither should | natural language front end, If, however, = natural language system cannot a- chieve the level of performance of a program- ear-technician it will seem stupid because...

Tài liệu Báo cáo khoa học: "Is There Natural Language after Data Bases?" pptx

... 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 linguistics, and for the very same ... simpler data base query problem. Why not, then, select this as the paradigmatic task? My only objection i3 to the definite article the I advocate data base update as one of several theoretically...

Báo cáo khoa học: "Improving Statistical Natural Language Translation with Categories and Rules" potx

... 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 advan- tage ... section 4 and finally result in a better overall translation performance. 6 Translation as a Search Problem The problem of finding the translation of a sen- tence can be viewed as a search...

Báo cáo khoa học: "Chinese-English Term Translation Mining Based on Semantic Prediction" doc

... 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 target language, that is, the language ... an empirical function of the byte distance between Japanese and English terms as an evaluation criterion to extract translations of Japanese words, and the results could be used as a Japanese-English...

Tài liệu Báo cáo khoa học: "Discriminative Lexicon Adaptation for Improved Character Accuracy – A New Direction in Chinese Language Modeling" pptx

... Figure 1. Atthe beginning we are given an adaptation spokencorpus and manual transcriptions. Based on a base-line lexicon (Lex0) and a language model (LM0)we perform ASR on the adaptation corpus ... pronunciationsfrom all component characters’ canonical pronun-ciations.4.2 ASR Character Accuracy Results A set of broadcast news corpus collected from a Chinese radio station from January to ... in-crease total path probability mass. This can beamended by involving the discriminative language model adaptation in the iteration, which results in a uniﬁed language model and lexicon adaptationframework....

Báo cáo khoa học: "Veterinary decision making in relation to metritis - a qualitative approach to understand the background for variation and bias in veterinary medical records"

... you please elaborate on that specific situa-tion?'Data AnalysisThe qualitative analysis is based on a phenomenographicapproach; that is a qualitative method to use empiric data(e.g., ... Corresponding author AbstractBackground: Results of analyses based on veterinary records of animal disease may be prone to variationand bias, because data collection for these registers relies on ... shouldclearly be improved before analysing the data on nationallevel.Causal analysis of cow-level and herd-level risk factors formetritis at the national level based on Danish central database...

Tài liệu Báo cáo khoa học: Evidence for noncooperative metal binding to the a domain of human metallothionein ppt

... columns (Amersham Bio-sciences ⁄ GE Healthcare, Piscataway, NJ, USA), superﬁneG-25 Sephadex (Pharmacia ⁄ Pﬁzer, Oakville, ON, Canada)and a stirred ultraﬁltration cell (Amicon Bioseparations ⁄Millipore, ... partially metallateddomain species, supporting the model of a noncooper-ative metallation mechanism. Although a distinctionbetween partially metallated intermediates and thefully metallated ... mechanism are that the partially metallatedand metal-free species are stable intermediates, and thus may have a poten-tial role in the currently undeﬁned function of metallothionein.Abbreviations a- rhMT...

Tài liệu Báo cáo khoa học: 1,5-Diamino-2-pentyne is both a substrate and inactivator of plant copper amine oxidases ppt

... spectrum of the GPAO/DAPY reaction mixture prepared in 0.1Mammonium bicarbonate containing ACA as a reagent fortrapping of the product aminoaldehyde, where several newpeaks appeared. ACA itself ... Only a few amino acid side c hainsseem to be modiﬁed as a result of the reaction. A major part of DAPY oxidation product, aminopentynal, after theconjugate addition of an unreacted DAPY molecule, ... thereaction, as demonstrated by an unchanged quinone redoxstaining.Absorption spectroscopy demonstrated the formation of a secondary product in the GPAO/DAPY reaction mixturewith kmaxat 310...

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