Báo cáo khoa học: "Using Machine Learning Techniques to Build a Comma Checker for Basque" pdf
Báo cáo khoa học: "Using Machine Learning Techniques to Build a Comma Checker for Basque" pdf
... BasqueIñaki Alegria Bertol Arrieta Arantza Diaz de Ilarraza Eli Izagirre Montse MaritxalarComputer Engineering Faculty. University of the Basque Country.Manuel de Lardizabal Pasealekua, 120018 ... Donostia, Basque Country, Spain.{acpalloi,bertol,jipdisaa,jibizole,jipmaanm}@ehu.esAbstractIn this paper, we describe the research using machine learning techniques to build a comma checker to ... comma for the Basque language was formalised. This information was extracted after analysing the theories of some experts in Basque syntax and punctuation (Aldezabal et al., 2003). In fact,...
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Báo cáo khoa học: "Using Machine Learning Techniques to Interpret WH-questions" potx
... above example); Additionalrefers to a level of detail characterized by a one-paragraph answer (this is the value of CoverageWould Give in the above example); and Extendedindicates a longer, ... – a natural language parser developed bythe Natural Language Processing Group at Mi-crosoft Research. We extracted a total of 21 struc-tural features, including the number of distinctparts-of-speech ... accessing anobject directly, rather than obtaining informationabout the object).Coverage Asked and Coverage Would Give arevariables that represent the level of detail in an-swers. Coverage...
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Báo cáo khoa học: "Using Machine-Learning to Assign Function Labels to Parser Output for Spanish" ppt
... transform Penn trees to a dependencyformat and then use memory-based learning to perform various graph transformations. One of thetransformations is node relabelling, which addsfunction tags ... Conclusions and Future ResearchOur research has shown that machine- learning- based Cast3LB tag assignment as a post-processing step to raw tree parser output statisti-cally significantly outperforms a ... be attributed to two main factors. Firstly,the mapping from Cast3LB tags to LFG grammat-ical functions is not one -to- one. For example threeCast3LB tags (CC, MOD and ET) are all mapped to LFG...
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Báo cáo khoa học: "Using Machine Learning to Explore Human Multimodal Clarification Strategies" ppt
... rich-est information to a classifier, we compared the ac-curacy achieved in a 10-fold cross validation by a Na¨ıve Bayes classifier (as a standard) on thesedata sets against the majority class baseline, ... driving). All fea-tures are automatically extracted from the XMLlog-files (and are available at runtime in ISU-based dialogue systems). From these features wewant to learn whether to generate a screen ... interface to an MP3 playerand were given access to a database of informa-tion. 24 subjects were given a set of predefinedtasks to perform using an MP3 player with a mul-timodal interface. In...
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Báo cáo khoa học: "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems" pdf
... characters), special symbolsand punctuation marks. At the separation sub-stage, possible NEs that are likely to containmore than one NE or a NE attached to a non-NE, are detected and attachment ... thesystem that meanwhile have acquired newmeanings. For example, “Ariane II rachète”(Ariane II buys) is classified as a person, due to the word “Ariane” contained in the lexicon as a person forename. ... general-purpose lexicons and grammars. For this reason, significant effort is currently putinto the construction of generic tools that canquickly adapt to a particular thematic domain.The adaptation...
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Báo cáo khoa học: " Improving Machine Learning Approaches to Coreference Resolution" potx
... Machine learning approaches to this prob-lem have been reasonably successful, operating pri-marily by recasting the problem as a classificationtask (e.g. Aone and Bennett (1995), McCarthy andLehnert ... corpus-based approach. First, we propose andevaluate three extra-linguistic modifications to the machine learning framework, which together pro-vide substantial and statistically significant gainsin ... NPs are identified, andfeatures values computed entirely automatically.ate the training data: we rely on coreference chainsfrom the MUC answer keys to create (1) a positiveinstance for each anaphoric...
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Báo cáo khoa học: "Using Non-lexical Features to Identify Effective Indexing Terms for Biomedical Illustrations" docx
... biomedical images is a laboriousand subjective task that often leads to noisy results.Automatic image annotation is a more robustapproach to ABIR than manual annotation. Un-fortunately, automatically ... broadcasts. Prosodic features relate to intonational variation and are associated with par-ticularly important items, whereas structural fea-tures are associated with the organization of a typ-ical ... in5http://archderm.ama-assn.org/739any domain with an existing ontology. For exam-ple, the UMLS and MetaMap can be replaced bythe Art and Architecture Thesaurus6and an equiv-alent mapping tool to...
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Báo cáo khoa học: "Analysis of Selective Strategies to Build a Dependency-Analyzed Corpus" pptx
... developedsuch as rule-based analyzers and corpus-basedanalyzers that use machine- learning techniques. However, the maximum accuracy achieved bystate-of-the art analyzers is almost 90% for news-paper articles; ... with a small improve-ment in accuracy. To write rules for a rule-based analyzer, and to produce an analyzer using machine- learning tech-niques, it is crucial to construct a dependency-analyzed ... because we usedChaSen, a Japanese morphological analyzer, andCaboCha3(Kudo and Matsumoto, 2002), a depen-dency analyzer incorporating SVMs, as a state-of-the art corpus-based Japanese dependency...
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Báo cáo khoa học: "Using Reinforcement Learning to Build a Better Model of Dialogue State" pdf
... complexity of tasksthat spoken dialogue systems are trying to handle, Reinforcement Learning (RL) hasbeen increasingly used as a way of au-tomatically learning the best policy for a system to make. ... the baseline state with certainty.It shows that as we add more data, the values for each state converge. So in general, we can say thatthe values for our Baseline 2 case are fairly stable.Next, ... research (such as (Singhet al., 1999)) for describing a dialogue as a tra-jectory within a Markov Decision Process (Suttonand Barto, 1998). A MDP has four main com-ponents: states, actions, a...
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Báo cáo khoa học: "Applying Machine Learning to Chinese Temporal Relation Resolution" pptx
... ,,,|(321321321nnnAAAAcpAAAAcpAAAAcscore = (5)Apply Bayesian rule to (5), we have: ), ,,,|(), ,,,|(), ,,,|(321321321nnnAAAAcpAAAAcpAAAAcscore =)()|, ,,,()()|, ,,,(321321cpcAAAApcpcAAAApnn=)()|()()|(11cpcApcpcApniinii∏∏==≈ ... that classification of temporal indicators based on part-of-speech (POS) information alone cannot determine relative temporal relations. 3 Machine Learning Approaches for Relative Relation ... de Mantaraz (Mantaras, 1991) for it shows more stable performance than Quinlan’s information gain ratio in our experiments. Compared with Quinlan’s information gain ratio, Lopez’s dis-tance-based...
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