Báo cáo khoa học: "A Comparison of Rule-Invocation Strategies in Context-Free Chart Parsing" pot

... relaxes some of the constraints used in Minpar A. In- stead of using all the information contained at a node, in Minipar B we only encode a path with its part of speech and relational information. ... re- ported in this paper. 3 Aligning arguments to parse trees nodes in a training / testing corpus We began our investigation by creating a training and testing corpus of...

Ngày tải lên: 20/02/2014, 12:20

... the in Canada” subtree. After invalidating these spans in the chart, parsing the sentence pair with the brack- eting ITG in (1) will produce the two structures shown in F igure 3b, both of which ... operation in- stead of three. Finally, one can restrict the type of movement that is considered, shrinking the num- ber of alignments that are attempted. We investi- gate this la...

Ngày tải lên: 08/03/2014, 21:20

... A Comparison of Rule-Invocation Strategies in Context-Free Chart Parsing Mats Wirdn Department of Computer and Information Science LinkSping University S-581 83 LinkSping, Sweden ... compari- son of fundamental rule-invocation strategies within context-free chart parsing. 1 Background and Introduction An apparent tendency in computational linguistics duri...

Ngày tải lên: 09/03/2014, 01:20

... the level of PPARc protein in committed prea- dipocytes under physiologically relevant conditions. Expression of miR-27 is elevated in obese mice In order to gain insights into the potential ... We further investigated the kinetics of miR-27 expression during adipogenesis using quantitative real-time PCR. As shown in Fig. 1C,D, expression of both miR-27a and miR-27b decreased...

Ngày tải lên: 18/02/2014, 08:20

... 1 Introduction 1 Because of the popularity of the Vector Space Model (VSM) in text information processing, document indexing (term extraction) acts as a pre-requisite step in most text information ... and interword occurrences. Therefore we need to distinguish these two kinds of bi- grams at a statistical level. For every bigram, the number of intraword occurrences and the...

Ngày tải lên: 08/03/2014, 02:21

... possible to determine the type of antibody (3). Obtaining negative results in agglutination tests is a common phenomenon. One of the reasons for this is blocking antibodies. One of the methods ... found negative, investigation of classic serologic tests and antibodies occupy an important place in diagnosis of brucellosis. Antibodies begin to form 2 weeks after the beginn...

Ngày tải lên: 25/10/2012, 10:56

... term frequency, pro- viding further support on the advantages of us- ing sublinear tf weighting functions 9 . In this set- ting, the best accuracy of 96.90% is attained using BM25 tf weights with ... busi- nesses, online opinion has turned into a kind of virtual currency that can make or break a product in the marketplace”. Sentiment analysis, also known as opinion min- ing, provide...

Ngày tải lên: 20/02/2014, 04:20

... error-block in the Error-String, am found in the Similar- String, take out the string (denoted C) between A and B in 1 For detecting errors in Japanese sentences, the method using the probability of ... values inside brackets 0 are the rate of decrease In EPC+SSC, the rate of decrease was 8.5%, and the decrease was obtained in all type of errors. In SSC, the number...

Ngày tải lên: 20/02/2014, 18:20

... and the scope of each, quality comparisons between alternative 8~regations of sub-sententJal units, the coordination of communication with non-linguistic activities by • gcel-pursuin~ planner, ... decomposes the original network into fragments then orders and 8~regatas these according to the dictates of the text-producing task, not according to the needs for which the internal r...

Ngày tải lên: 21/02/2014, 20:20

... maintained by expanding the image in the table using the ~-expression, and then finding the corresponding element in the model. If the element in the model that was the denotation of the ... contain incomplete information and to have information added to the model. A dynamic model is a "good enough" approximation to an infinite model when it contains the finite subset...

Ngày tải lên: 21/02/2014, 20:20