Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot

... specifying domains and using ~hat specification in language processing rather than on defining new domain- independent representation languages. A critical decision was our selection of intensional ... the Janus Natural Lan- guage Interface. Notebook of Speech and Natural Language Workshop, 1989. To be reprinted by Mor- gan Kaufmann Publishers. 202 A HYBRID APPROACH TO REPRESENTATION IN THE ... basis for adding taxonomic reasoning to WML, giving a hybrid representation. 2.2. Why a Taxonomic Language Our hypothesis is that much of the reasoning needed in semantic processing can be...

Tài liệu Báo cáo khoa học: "A PROBABILISTIC APPROACH TO GRAMMATICAL ANALYSIS OF WRITTEN ENGLISH BY COMPUTER" pot

... Co-ordinated constructions present similar prob lens. T-TAG SELECTION AND BRACKET CLOSING It is the task of the final phase of the parser to fill in any remaining closing brackets in the appropriate ... alternative paths, the remaining task being to complete the parse by filling in the gaps and selecting the appropriate path where more than one has been assigned. Cover S~mbols. For the purposes ... giving the likelihood of the immediate dominance relations of constituents. Other procedures, which I will deal with later, are incorporated into the system, but, in very broad outline, the...

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

... obese mice In order to gain insights into the potential biologicallyrelevant role of miR-27 in the regulation of adipose tis-sue functions in vivo, we examined the expression ofmiR-27 in the genetically ... post-transfection by maintaining the cells in culture medium containing 2% horse serum. Cells were ﬁxed on day 4 ofdifferentiation and stained with hematoxylin and eosin. One of two independent experiments ... prevents the induction of PPARc andC⁄EBPa In order to delineate the mechanisms by which miR-27inhibits adipogenic differentiation, we investigated the effect of miR-27 on the expression of the...

Tài liệu Báo cáo khoa học: A genetic screen identifies mutations in the yeastWAR1 gene, linking transcription factor phosphorylation to weak-acid stress adaptation docx

... lack of DNA binding. Indeed, in the case of War1-42p, in vivo footprinting data(Fig. 5) indicate an inability to bind to the WARE,which is normally decorated by wild-type War1p in the presence ... DNA-binding zinccluster at the N-terminus, whereas the acidic activationdomain is usually present at the C-terminus. The mid-dle homology region (MHR) bridging the DNA-bind-ing and the activation ... to War1p were raised in rabbitsagainst a GST-War1p fusion protein containing 294 aminoacids of the C-terminal part of War1p (amino acids 650–944) fused in- frame to the C-terminus of GST. The...

Tài liệu Báo cáo khoa học: A possible role of mitochondria in the apoptotic-like programmed nuclear death of Tetrahymena thermophila Takashi Kobayashi and Hiroshi Endoh docx

... directlyshow the localization of mitochondria in the autophag-osome, as the red fluorescence corresponding to intactmitochondria was not observed in the area. Therefore, to confirm further the localization, ... of the Bcl-2 family proteins regulate loss ofmitochondrial inner membrane potential, which results in the release of these apoptogenic factors [1,10]. The involvement of mitochondria in apoptosis ... shown by the simultaneous uptakeof mitochondria and the parental macronucleus in autophagosomes. This finding leads us to hypothesisthat some of the mitochondria are taken into the largeautophagosome,...

Tài liệu Báo cáo khoa học: "A Bootstrapping Approach to Named Entity Classification Using Successive Learners" pdf

... shown to be effective for supporting NE domain porting and is intuitive for configuring an NE system to tag user-defined NE types. The remaining part of the paper is organized as follows. The ... involving concept-based seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository. ... 86.7% To benchmark the quality of the automatically constructed corpus (Table 2), the testing corpus is first processed by our parser and then saved into the repository. The repository level...

Tài liệu Báo cáo khoa học: "A PRAGMATICBASED APPROACH TO UNDERSTANDING" pdf

... in an informal poll in which users were found to interpret the fraRment in the followlng dialogue as retaining the fixed media specification: "What is the size of the 3 largest single ... before moving on to investigate a plan for CS263. Since the teacher of C3200 has nothing to do with the plan for taking C3263, the mechanisms for retaining dialogue context will fail to iden- ... These propositions maintain the established context that we are talking about the sections of C3360 that meet on Monday in the Fall of 1985. The path from the root of the context model to...

Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt

... improve the performance of these methods.Recent studies focused on the discovery of la-tent topics of document sets in extracting sum-maries. In these models, the challenges of infer-ring topics ... sizefeatures. In comparison to the baseline, OF has asigniﬁcant effect on the ROUGE scores. In addi-tion, DMF together with OF has shown to improveall scores, in comparison to baseline, on averageby ... Similarly, sim2provides in- formation on the similarity between the weights of the topics in each sentence. They jointly effect the sentence score and are combined in one measure:sim(om,...

Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx

... LabelingWanxiang CheHarbin Inst. of Tech.Harbin, China, 150001car@ir.hit.edu.cnMin ZhangInst. for Infocomm ResearchSingapore, 119613mzhang@i2r.a-star.edu.sgTing Liu, Sheng LiHarbin Inst. ... achieved. In addition, Moschitti (2004)’sTree Kernel Tool is used to compute the tree kernelfunction.5.2 Experimental Results In order to speed up the training process, in the following experiments, ... training data. The same as Mos-chitti (2004), we also set the µ = 0.4 in the com-putation of convolution tree kernels. In order to study the impact of λ in hybrid con-volution tree kernel in...

Tài liệu Báo cáo khoa học: "A Composite Kernel to Extract Relations between Entities with both Flat and Structured Features" ppt

... about 110 minutes and 30 minutes to do training on the ACE 2003 (~77k training in- stances) and 2004 (~33k training instances) data, respectively. (2) Further Improvement: One of the potential ... Path-enclosed Tree (PT): the smallest com-mon sub-tree including the two entities. In other words, the sub-tree is enclosed by the shortest path linking the two entities in the parse tree (this ... defined on the shortest path between two entities instead of the entire sub-trees. However, the path does not maintain the tree structure information. In addition, their ker-nel requires the...

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