Báo cáo khoa học: "A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces" doc

Báo cáo khoa học: "A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces" doc

Báo cáo khoa học: "A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces" doc

... pages 561–568, Sydney, July 2006. c 2006 Association for Computational Linguistics A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces Qi Zhang Computer Science Department ... progressive feature selection (PFS) algorithm: the PFS algorithm maintains the same accuracy per- formance as previous CME feature selection algorithms (e.g.,...
Ngày tải lên : 17/03/2014, 04:20
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Báo cáo khoa học: "A Joint Rule Selection Model for Hierarchical Phrase-based Translation" pptx

Báo cáo khoa học: "A Joint Rule Selection Model for Hierarchical Phrase-based Translation" pptx

... statistical models are integrated to guide the hierarchical rule selection for better translation performance. Previous work mainly focused on the selection of either the source side of a hierarchical rule or ... context information of non-terminals to predict the target-side rule selection. Different from the above work where the probability dis- tribution of source-side rule selecti...
Ngày tải lên : 23/03/2014, 16:20
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Tài liệu Báo cáo khoa học: "A Best-First Search Algorithm for Generating Referring Expressions" pot

Tài liệu Báo cáo khoa học: "A Best-First Search Algorithm for Generating Referring Expressions" pot

... A Best-First Search Algorithm for Generating Referring Expressions Helmut Horacek Uniyersitat des Saarlandes, FR 6.2 Informatik Postfach 151150, D-66041 Saarbdicken, ... except the intended referent(s). Several algorithms have been developed for this purpose, differing in terms of computational efficiency, quality and coverage. For identifying sets of objects rather ... considerable...
Ngày tải lên : 22/02/2014, 02:20
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Tài liệu Báo cáo khoa học: "AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES " pot

Tài liệu Báo cáo khoa học: "AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES " pot

... to incorporate feature- based categories into Tomita's extended LR parsing algorithm (Tomita 1986). A straightforwmd adaptation of feature- based categories into the algorithm introduces ... tsuneko@grice.cogsci.uiuc.edu ABSTRACT This paper proposes an LR parsing algorithm modified for grammars with feature- based categories. The proposed algorithm does not instantia...
Ngày tải lên : 22/02/2014, 10:20
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Báo cáo khoa học: "A Web-based Evaluation Framework for Spatial Instruction-Giving Systems" docx

Báo cáo khoa học: "A Web-based Evaluation Framework for Spatial Instruction-Giving Systems" docx

... Association for Computational Linguistics, pages 49–54, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A Web-based Evaluation Framework for Spatial ... navigation instructions in the real world for pedestrians is an interesting research problem for researchers in both computational linguistics and geo-informatics (Dale et al., 2003; Richte...
Ngày tải lên : 07/03/2014, 18:20
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Báo cáo khoa học: "A Beam-Search Extraction Algorithm for Comparable Data" pptx

Báo cáo khoa học: "A Beam-Search Extraction Algorithm for Comparable Data" pptx

... positions long to generate a non-zero feature value . In the feature vector f (c, S, T ), each feature f i occurs potentially twice, once for each class c ∈ {0, 1}. For the feature vector f(c = 1, S, T ... all the English documents that have been published within a 7 day window of the source document. We select the 20 highest scoring English docu- ments for each source document...
Ngày tải lên : 17/03/2014, 02:20
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Báo cáo khoa học: "A Morphologically Sensitive Clustering Algorithm for Identifying Arabic Roots" docx

Báo cáo khoa học: "A Morphologically Sensitive Clustering Algorithm for Identifying Arabic Roots" docx

... clustering algorithm to ensure comparability. 4.3 Testing the Two-stage Algorithm Table 8 shows the results of the Two-stage algorithm for our data sets. The maximally effective cut of point for all ... however, assume text to be in perfect (some even vowelised) form, forcing the need for editing prior to processing. Finally, the success of these algorithms depends critically on r...
Ngày tải lên : 17/03/2014, 07:20
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Báo cáo khoa học: " A simple pattern-matching algorithm for recovering empty nodes and their antecedents∗" pot

Báo cáo khoa học: " A simple pattern-matching algorithm for recovering empty nodes and their antecedents∗" pot

... A simple pattern-matching algorithm for recovering empty nodes and their antecedents ∗ Mark Johnson Brown Laboratory for Linguistic Information Processing Brown University Mark Johnson@Brown.edu Abstract This ... good average performance on all empty nodes if it performs well on the most frequent types of empty nodes, and conversely, a system will perform poorly on average if it does no...
Ngày tải lên : 17/03/2014, 08:20
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Báo cáo khoa học: "A Trainable Rule-based Algorithm for Word Segmentation" pdf

Báo cáo khoa học: "A Trainable Rule-based Algorithm for Word Segmentation" pdf

... therefore need only define an appropriate rule syntax for transforming this initial approxima- 3The "existing" algorithm does not need to be a large or even accurate system; the algorithm ... adopting it for word segmentation. For example, since word seg- mentation is merely a preprocessing task for a wide variety of further tasks such as parsing, information ext...
Ngày tải lên : 17/03/2014, 23:20
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Báo cáo khoa học: "A Polynomial-Time Parsing Algorithm for TT-MCTAG" pot

Báo cáo khoa học: "A Polynomial-Time Parsing Algorithm for TT-MCTAG" pot

... with Shared Nodes (Lichte, 2007)), or TT-MCTAG for short. For some of the above formalisms the word recognition problem is NP-hard. This has been shown for non-local MCTAG (Rambow and Satta, 1992), ... derivation tree without deciding, for ev- ery occurrence of some argument β, which of the h(β)-nodes represents its head. Therefore we pro- pose to reformulate (SN-TTL). For a node v...
Ngày tải lên : 23/03/2014, 16:21
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