Tài liệu Báo cáo khoa học: "Spelling Correction Using Context*" pdf

... Spelling Correction Using Context* Mohammad Ali Elmi and Martha Evens Department of Computer Science, Illinois ... describes how context-dependent spell- ing correction is performed in a natural language dialogue system under control of the parser. Our spelling correction system is a functioning part of ... 'specification.' The approach to spelling correction is nec...

Ngày tải lên: 20/02/2014, 18:20

... bằng một số thí nghiệm lớn và các công trình thực tế có số liệu đo. Các tính toán cho thấy công thức 3 cho kết quả rất gần với các số liệu đo hiện trường và có thể coi là phương tiện hiệu quả ... tác giả đã sử dụng công thức 3 để kiểm tra với các số liệu đo thực tế. Hình 14 thể hiện kết quả tính toán của công thức 3 so sánh với các số liệu đo của 6 công trình thực tế và thí nghiệm...

Ngày tải lên: 18/02/2014, 13:20

... proteins were collected onto glass fiber filters using a cell harvester, washed with 5% trichloroacetic acid (w/v), and radioactivity was counted using a liquid scintil- lation counter. Background ... was determined by UV spectroscopy, using an extinction coefficient of 10 280 M )1 Æcm )1 [22]. AAP concentrations were also determined spectrophotometri- cally using an extinction coefficien...

Ngày tải lên: 19/02/2014, 12:20

... and a buffer of raw tweets. The crawler repeatedly downloads tweets using the Twit- ter APIs, and then pre-filters noisy tweets using some heuristic rules, e.g., removing a tweet if it is too short, ... information they are inter- ested in from tweets. 2. We present core components of QuickView, fo- cusing on how to leverage existing resources and technologies as well as how to make up for...

Ngày tải lên: 19/02/2014, 20:20

... suc- cessfully recognize about 95% of the NPs in the MUC and ACE gold standards. 2. Feature generation. Using annotations pro- duced during preprocessing, Reconcile pro- duces feature vectors for pairs ... call Reconcile 2010 to differentiate it from the general platform. Reconcile 2010 is configured using the following components: 1. Preprocessing (a) Sentence Splitter: OpenNLP (b) Tokeni...

Ngày tải lên: 20/02/2014, 04:20

... 1999), using a polynomial kernel with degree 4 and additive term 1. As a baseline, we trained and tested a model using only the lexical-matching features. We then trained and tested models using ... 10598 {dbikel,vittorio}@us.ibm.com Abstract This paper describes a novel event-matching strategy using features obtained from the tran- sitive closure of dependency relations. The method y...

Ngày tải lên: 20/02/2014, 09:20

... original sentence order (OSO). We also mea- sure the quality of the proposed documents using TAU and BLEU, using as reference the OSO. In Table 1, we report the performance of four search algorithms. ... non-hierarchical representations of discourse, and can be trained with minimal human intervention, using large col- lections of existing human-authored documents. These models are attra...

Ngày tải lên: 20/02/2014, 12:20

... the two synonym extraction approaches based on dis- tributional similarity: one using syntactic context and one using translational context based on word alignment and the combination of both. ... Netherlands {vdplas,tiedeman}@let.rug.nl Abstract There have been many proposals to ex- tract semantically related words using measures of distributional similarity, but these typically are no...

Ngày tải lên: 20/02/2014, 12:20

... look for ways to train parsers on unannotated text. This can ei- ther be semi-supervised parsing, using both anno- tated and unannotated data (McClosky et al., 2006) or unsupervised parsing, training ... is (locally) greedy. As a result, both learning and parsing are fast. The parser is incremental, using a new link representa- tion for syntactic structure. Incremental parsing was chosen...

Ngày tải lên: 20/02/2014, 12:20

... different in for- malism, model the two languages using tree-based transduction rules or a synchronous grammar, pos- sibly probabilistic, and using multi-lemma elemen- tary structures as atomic ... tree-to-string model than with a tree-to-tree model using two trees. In a different approach, Hwa et al. (2002) aligned the parallel sentences using phrase based statistical MT models an...

Ngày tải lên: 20/02/2014, 15:20