Báo cáo khoa học: "Evaluating and Combining Approaches to Selectional Preference Acquisition" pptx

Báo cáo khoa học: "Evaluating and Combining Approaches to Selectional Preference Acquisition" pptx

Báo cáo khoa học: "Evaluating and Combining Approaches to Selectional Preference Acquisition" pptx

... factors grammatical relation (Re!), verb (Verb), and prob- ability band (Band). The factors Re! and Band had three levels each, and the factor Verb had 10 lev- els. This yielded a total ... Ciaramita and Johnson (2000) use Bayesian Belief Networks to quantify selec- tional preferences. Although there is no standard way to evalu- ate different approaches to selectional...
Ngày tải lên : 08/03/2014, 21:20
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Tài liệu Báo cáo khoa học: "Models and Training for Unsupervised Preposition Sense Disambiguation" pptx

Tài liệu Báo cáo khoa học: "Models and Training for Unsupervised Preposition Sense Disambiguation" pptx

... want to incorporate as much information as possible into the model to constrain the choices. In Figure 1c, we condition ¯p on both ¯ h and ¯o, to reflect the fact that prepositions act as links and ... concen- tration parameter α trans to 0.001, and α emit to 0.1. This encourages sparsity in the model and allows for a more nuanced explanation of the data by shifting probabili...
Ngày tải lên : 20/02/2014, 05:20
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Báo cáo khoa học: " Improving Machine Learning Approaches to Coreference Resolution" potx

Báo cáo khoa học: " Improving Machine Learning Approaches to Coreference Resolution" potx

... work of Soon et al. (2001) and, to our knowledge, pro- duces the best results to date on the MUC- 6 and MUC-7 coreference resolution data sets — F-measures of 70.4 and 63.4, re- spectively. Improvements ... extensions to the Soon et al. corpus-based approach. First, we propose and evaluate three extra-linguistic modifications to the machine learning framework, which together pro...
Ngày tải lên : 17/03/2014, 08:20
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Báo cáo khoa học: "A Corpus-Centered Approach to Spoken Language Translation" pptx

Báo cáo khoa học: "A Corpus-Centered Approach to Spoken Language Translation" pptx

... BLEU score and the RED rank are measured by referring to the test corpus, i.e., a set of input sentences and their multiple reference translations; the HUMAN rank and the estimated TOEIC score ... (best) down to 0.0 (worst). (3) Estimated TOEIC score: It is important to interpret MT performance from the viewpoint of a language proficiency test such as TOEIC 4 . A trans- lator comp...
Ngày tải lên : 24/03/2014, 03:20
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Báo cáo khoa học: "Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech" pot

Báo cáo khoa học: "Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech" pot

... 1 to 4, with higher levels indicating better speaking proficiency. The NN set was randomly partitioned into a training (NN-train) and a test set with 760 and 300 responses, respectively, and ... words (and phrases) in a tree structure and identifies grammatical roles of words and phrases. Tregex is a tree query tool that takes Stanford parser trees as input and queries t...
Ngày tải lên : 07/03/2014, 22:20
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Báo cáo khoa học: "Methods and Practical Issues in Evaluating Alignment Techniques" doc

Báo cáo khoa học: "Methods and Practical Issues in Evaluating Alignment Techniques" doc

... These techniques attempt to map various tex- tual units to their translation and have proven useful for a wide range of applicatious and tools. A simple example of such a tool is probably the ... user to query a large archive of existing translations in order to find ready-made solutions to specific translation problems. Such a tool has proved ex- tremely useful not onl...
Ngày tải lên : 08/03/2014, 05:21
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Báo cáo khoa học: "Evaluating Automated and Manual Acquisition of Anaphora Resolution Strategies" docx

Báo cáo khoa học: "Evaluating Automated and Manual Acquisition of Anaphora Resolution Strategies" docx

... using a GUI-based tool called the Discourse Tagging Tool (DTTool) ac- cording to "The Discourse Tagging Guidelines" we 122 have developed. 2 The tool allows a user to link an anaphor ... MDR.) We wanted to develop, however, truly automatically trainable systems, hoping to improve resolution per- formance and reduce the overhead of manually con- structing and arr...
Ngày tải lên : 23/03/2014, 20:21
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Tài liệu Báo cáo khoa học: Applications and trends in systems biology in biochemistry docx

Tài liệu Báo cáo khoa học: Applications and trends in systems biology in biochemistry docx

... pharmaceutical research and biotechnology. This leads to the question of whether such interest is wisely invested and whether there are success stories to be told for basic science and/ or technol- ogy/biomedicine. ... NFAT, nuclear factor of activated T-cells; NF-jB, nuclear factor jB; NGF, nerve growth factor; PDGF, platelet-derived growth factor; PDGFR, platelet-derived growth fac...
Ngày tải lên : 14/02/2014, 14:20
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Tài liệu Báo cáo khoa học: Structure and function of active chromatin and DNase I hypersensitive sites pdf

Tài liệu Báo cáo khoa học: Structure and function of active chromatin and DNase I hypersensitive sites pdf

... histone acetylation and deacetyla- tion, and transient recruitment of remodellers and transcription factors. A cycle of transcription commences with the recruit- ment of transcription factors and ... such as SAGA and NuA3, which mainly acety- late histone H3, and NuA4 which acetylates histone H4 on K5, K8 and K12. This cascade of events leads to recruitment of transcription fa...
Ngày tải lên : 14/02/2014, 18:20
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Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx

Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx

... factors that regulate self-renewal and pluri- potency: OCT4, SOX2 and KLF4. Castellano et al. [49] revealed that the expression of estrogen receptor-a (ERa) is autoregulated by miR-18a, -19b and ... [60]. By integrating mRNA and miRNA sequence and expression data with these comparative genomic data, we will be able to gain global, and yet specific, insights into the function and...
Ngày tải lên : 14/02/2014, 19:20
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