Báo cáo khoa học: "A Combination of Active Learning and Semi-supervised Learning Starting with Positive and Unlabeled Examples for Word Sense Disambiguation: An Empirical Study on Japanese Web Search Query" pdf

... Starting with Positive and Unlabeled Examples for Word Sense Disambiguation: An Empirical Study on Japanese Web Search Query Makoto Imamura and Yasuhiro Takayama Information Technology R&D ... Figure 1: A combination of active learning and semi-supervised learning starting with positive and unlabeled examples Next we use Nigam’s semi-supervised learning method using EM and a naive ... of most of the senses of a target word. Because target words are often proper nouns, their word senses are rarely listed in hand-crafted lexicon. In addition, since the Web is huge and contains...

Báo cáo khoa học: "Serial Combination of Rules and Statistics: A Case Study in Czech Tagging" potx

... notcontain more than one finite verb. Thismeans that if two words, one genuine finiteverb and the other one ambiguous between afinite verb and another reading, stand in sucha configuration that ... of “difficult” texts is to be performed.1.3 System Combination Combination of (manual) rule-writing and statis-tical learning has been studied before. E.g., (Ngai and Yarowsky, 2000) and (Ngai, 2001) providea ... scale onlyto English (Karlsson et al., 1995), (Samuelsson and Voutilainen, 1997), and French (Chanod and Tapanainen, 1995). Also (Bick, 1996) and (Bick,2000) use manually written rules for BrazilianPortuguese,...

Báo cáo khoa học: "Transparent combination of rule-based and data-driven approaches in a speech understanding architecture" pot

... top of theNuance Toolkit. Section 4 gives details of exper-iments carried out on a medium-vocabulary com-mand and control task from an instruction manualdomain. Section 5 concludes.2 Semantic ... ar-chitecture has been implemented and evaluated in the context of a medium-vocabulary command and control task.1 IntroductionAs the field of spoken language understanding be-comes more mature, ... Transparent combination of rule-based and data-driven approaches in aspeech understanding architectureManny Rayner and Beth Ann HockeyRIACS, Mail Stop T27A-2NASA Ames Research CenterMoffett...

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

... protein level using western blot analysis on day 1 and day 4 of differentiation, a time frame for observation of early genes and induction of C ⁄ EBPa and PPARc. On day 1, C ⁄ EBPb was expressed ... quantiﬁed after extraction with isopropanol. The data shown in (B) are mean value ± standard errors of the mean of an experi-ment performed in triplicate. For the time course study, miRNA transfection ... differentiation. (B) The data shown are mean value ± standard errors of the mean of an experiment performed in triplicate. Positive = differentiated OP9 cells without miRNA transfection. One of three...

Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate speciﬁcity docx

... activity of E52Q and R105K was abolished. The E52D mutant was crystallized with its feedback inhibitor dTTP. The backbone conformation remainedunchanged, and coordination between D52 and the ... possible explanation for this is that lysine is more ﬂexible than Arg, and thereforenot able to position E52, and catalyse the reaction.Mutations of substrate-interacting residues:Y70W and Q81NY70WWhen ... Bergjohann U, Gonski S, Kirschbaum B &Lofﬂer M (1996) Functional expression of a fragment of human dihydroorotate dehydrogenase by means of thebaculovirus expression vector system, and kinetic...

Tài liệu Báo cáo khoa học: Metabolic control of mitochondrial properties by adenine nucleotide translocator determines palmitoyl-CoA effects Implications for a mechanism linking obesity and type 2 diabetes pdf

... consumption of excess fat. However, the combination of persistent ANT inhibition by LCACs with constantactivation of AMPK may have some adverse effects,because stimulation of b-oxidation ... induced working-condi-tion-dependent changes in intramitochondrial and extramitochondrial ATP concentrations and Dw [16].The relative contribution of a particular enzyme to thecontrol of metabolic ... compilation ª 2006 FEBS 5297Jo[19,33,35,36] and that it controls Jpmore stronglythan Jo. However, it has been demonstrated that ANTcontrol of Jochanges depending on intramitochond-rial and...

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

... Proceedings of the 14thACM international conference on Information and knowledge management, pages 625–631, New York,NY, USA. ACM.Theresa Wilson, Janyce Wiebe, and Paul Hoffmann.2005. Recognizing contextual ... people. Thiswealth of information is potentially of vital im-portance to institutions and companies, providingthem with ways to research their consumers, man-age their reputations and identify new ... weightingfunctions is a very active research area in infor-mation retrieval and it is outside the scope of thispaper to provide an in-depth analysis but signiﬁ-cant research can be found in Salton and...

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

... this 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 ... some of the constraints used in Minpar A. In-stead of using all the information contained at a node, in Minipar B we only encode a path with its part of speech and relational information. For ... (f=.55) and argument 2 (f=.49). 5 Learning Curve Comparisons The creation of large-scale text corpora with syn-tactic and/ or semantic annotations is difficult, expensive, and time consuming....

Tài liệu Báo cáo khoa học: Analyzing changes of chromatin-bound replication proteins occurring in response to and after release from a hypoxic block of replicon initiation in T24 cells pptx

... DNAsynthesis.Simultaneous staining of replicating DNA and DNA-bound PCNATo demonstrate the connection between active DNAreplication and the appearance of bound PCNA in nuclei,simultaneous immunodetection of ... preinitiationstate’ and as few as possible in other states of replication, and secondly the elaboration of a protocol for preparinga cell fraction that contains the cellular chromatin and specifically ... gassing of the cell cultures was performed with a continuous flow of humidified artificial aircontaining 5% (v/v) CO2 for normoxic incubations, and with 0.02% O2,5%CO2, and Ar to 100% for hypoxicgassing....

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

... level, vlz: ordering among sentences and the scope of each, quality comparisons between alternative 8~regations of sub-sententJal units, the coordination of communication with non-linguistic activities ... FRAGMENT, PLAN, FILTER, HILL-CLIMB, and OUTPUT. FRAGMENT transforms the selected portion of the semantic net into an unordered set of propositions which correspond, roughly, to minimal sentences. ... the forum for a extensive analysis of our results; for details, see Mann and Moore [ 1979]. However, to communicate the flavor of what ~ve have accomplished from the motivating goal: (WANTS...

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