Báo cáo khoa học: "A Re-examination of Machine Learning Approaches for Sentence-Level MT Evaluation" ppt

Báo cáo khoa học: "Semantic Types of Some Generic Relation Arguments: Detection and Evaluation" pptx

Báo cáo khoa học: "Semantic Types of Some Generic Relation Arguments: Detection and Evaluation" pptx

... Evaluation Sophia Katrenko Institute of Informatics University of Amsterdam the Netherlands katrenko@science.uva.nl Pieter Adriaans Institute of Informatics University of Amsterdam the Netherlands pietera@science.uva.nl Abstract This ... are generalization types of the argu- ments of a given positive example < x i , y i >. In other words, we perform generalization per relati...
Ngày tải lên : 08/03/2014, 01:20
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Báo cáo khoa học: "Automatic Induction of Finite State Transducers for Simple Phonological Rules" pptx

Báo cáo khoa học: "Automatic Induction of Finite State Transducers for Simple Phonological Rules" pptx

... rules, we added a decision tree to each state of the machine, describing the behavior of that state. For exam- ple, the decision tree for state 2 of the machine in Figure 1 is shown in Figure 8. ... transducers that accept underlying forms as input and generate surface forms as output. The algorithm for learning them is an extension of the OSTIA algorithm for learn-...
Ngày tải lên : 08/03/2014, 07:20
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Tài liệu Báo cáo khoa học: A role of miR-27 in the regulation of adipogenesis ppt

Tài liệu Báo cáo khoa học: A role of miR-27 in the regulation of adipogenesis ppt

... adipocyte formation, without affecting myogenic differentiation. We also found that expression of miR-27 resulted in blockade of expression of PPARc and C ⁄ EBPa, the two master regulators of adipogenesis. ... 6 of differentiation (A). The amount of Oil Red O was quantified after extraction with isopropanol. The data shown in (B) are mean value ± standard errors of the mean of...
Ngày tải lên : 18/02/2014, 08:20
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Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... per- formance of the former tend to be superior to that of the latter (Mullen and Collier, 2004; Lin and He, 2009). One of the main issues for supervised approaches has been the representation of ... reason for this choice of cross-validation setting, instead of the most standard ten-fold, is that all of the proposed approaches that use some form of idf utilize the tra...
Ngày tải lên : 20/02/2014, 04:20
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Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt

Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt

... policy, an agreement of 92.8% was achieved among annotators for the set of start and stop locations for arguments. Examples of semantic role annotations in our corpus for each of the four predicates ... harmonic mean of precision and recall. Our calculation of recall scores represents the best-possible performance of systems using only these types of parse-tree p...
Ngày tải lên : 20/02/2014, 12:20
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Tài liệu Báo cáo khoa học: "A Discriminative Syntactic Word Order Model for Machine Translation" pdf

Tài liệu Báo cáo khoa học: "A Discriminative Syntactic Word Order Model for Machine Translation" pdf

... outperforms models using only some of the information sources. We also evaluate the contribution of our model to the performance of an MT system. We inte- grate our order model in the MT system, ... model for machine translation which makes use of both syntactic and surface information. The framework for our statistical model is as fol- lows. We assume the existence of a d...
Ngày tải lên : 20/02/2014, 12:20
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Tài liệu Báo cáo khoa học: "A SNAPSHOT OF KDS A KNOWLEDGE" pot

Tài liệu Báo cáo khoa học: "A SNAPSHOT OF KDS A KNOWLEDGE" pot

... state of the reader. 3. To achieve the desired state of the reader requires more than a single sentence. R ESULTS This is not the forum for a extensive analysis of our results; for details, ... constraints: 1. The source of information Is a semantic net, having no a priori structuring to facilitate the outputtlng task. This represents the most elaborate performance of K...
Ngày tải lên : 21/02/2014, 20:20
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Tài liệu Báo cáo khoa học: "A GENERALIZATION OF THE OFFLINE PARSABLE GRAMMARS" doc

Tài liệu Báo cáo khoa học: "A GENERALIZATION OF THE OFFLINE PARSABLE GRAMMARS" doc

... f'mite set of symbols, so there is only a finite number of strings of given length L, and it has a finite number of rules, so there is only a finite number of possible parse trees of given depth ... algorithm for this problem. Let C a be the set of pairs [A,B] such that A B by a tree of depth n. Clearly C t is the set of pairs [A,B] such that (A ) B) is a rule...
Ngày tải lên : 21/02/2014, 20:20
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Báo cáo khoa học: Metabolomics, modelling and machine learning in systems biology – towards an understanding of the languages of cells potx

Báo cáo khoa học: Metabolomics, modelling and machine learning in systems biology – towards an understanding of the languages of cells potx

... lies at the heart of understanding the languages of cells. The resolution of many of the modern and postgenomic problems of biochemistry requires the development of a myriad of new technologies (and ... heterogeneity of single cells [141,142] is also true for that of single molecules [314,315], and many assays capable of detecting the presence or behaviour of single mo...
Ngày tải lên : 07/03/2014, 12:20
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Báo cáo khoa học: "Feedback Cleaning of Machine Translation Rules Using Automatic Evaluation" pot

Báo cáo khoa học: "Feedback Cleaning of Machine Translation Rules Using Automatic Evaluation" pot

... similarities of MT results. There- fore, we need all of the MT results from the evalua- tion corpus in order to calculate an accurate BLEU score. One feature of BLEU is its use of multiple ref- erences for ... conditions of the MT engine. 2 MT System and Problems of Automatic Acquisition 2.1 MT Engine We use the Hierarchical Phrase Alignment-based Translator (HPAT) (Im...
Ngày tải lên : 08/03/2014, 04:22
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