Tài liệu Báo cáo khoa học: "Integrating Symbolic and Statistical Representations: The Lexicon Pragmatics Interface" pot

... Integrating Symbolic and Statistical Representations: The Lexicon Pragmatics Interface Ann Copestake Center for the Study of Language and Information, Stanford University, ... are the integration of the statistical and symbolic components, and the division of labour between se- 1Here and below we base our frequency judgements on semi-automatic analysis of the written ... accounting for other phenomena on the interface between the lexicon and pragmatics, e.g Asher and Lascarides (1995). Lascarides and Copestake (1995). Lascarides, Copestake and Briscoe (1996)....

Tài liệu Báo cáo khoa học: Identiﬁcation and characterization of the transcription factors involved in T-cell development, t-bet, stat6 and foxp3, within the zebraﬁsh, Danio rerio docx

... end of the gene, where the zebrafish and human sequences appearto be quite diverse. Together with the well-conservedgene organization, there is a conservation of syntenybetween the human and zebrafish ... domain and SH2 domain ofstat6, and the zinc-finger domain, leucine-zipperdomain and fork-head domain of foxp3. In addition,for stat6 and foxp3, there were a few other conservedfeatures. Within the ... 20 introns, and foxp3was found to have 13 exons and 12 introns. In the genomic sequence, the intron splicing consensus(GT ⁄ AG) is conserved at the 5¢ and 3¢ ends of the in-trons. The gene organization...

Tài liệu Báo cáo khoa học: Neuropeptide Y and osteoblast differentiation – the balance between the neuro-osteogenic network and local control ppt

... Y2, Y4, Y5 and y6) thatvary in their binding proﬁles and in their distributionin the central nervous system and periphery. Y1, Y2 and Y5 are the best characterized NPY receptors, and the majority ... hypothalamus, the hypothesis that leptin controls bone formation via acentral mechanism was raised. The most convincingevidence supporting this hypothesis was the rescueof the bone mass phenotype of the ... review, we will integrate the current knowledgeon the impact of the NPY system in bone biology, and discuss the mecha-nisms through which the balance between central and the peripheral NPYaction...

Tài liệu Báo cáo khoa học: SREBPs: physiology and pathophysiology of the SREBP family ppt

... [20]. The role of SREBP-1a in the regulation ofcell growth and the cell cycle might be biphasic and complex, and needs to be further investigated.SREBP is evolutionarily conserved; however, the key ... inward-rectifying potassium channel, and results in anacetylcholine-sensitive atrial potassium current.GIRK1 is a newly identiﬁed SREBP target [49]. The regulation of the cardiac parasympathetic response and ... apparatus, where the site 1 and site 2 proteases cleave the SREBPs [3,4].Upon restoration of cellular cholesterol, Insig, anotherkey regulator of ER membrane proteins, traps and retains the SREBP–SCAP...

Tài liệu Báo cáo khoa học: Ionic strength and magnesium affect the speciﬁcity of Escherichia coli and human 8-oxoguanine-DNA glycosylases pdf

... determination The reaction mixtures were as in the standard assay, exceptthat the components speciﬁed in the Results were added, and the concentrations of the substrate and enzyme varied asrequired for the ... such as Mg2+, the nature of the buffer-ing agents, the presence of competing polyamines and other small molecules, and crowding by other macro-molecules. Their effects on the speciﬁcity of ... cases, the activities of both Fpg and OGG1 on8-oxoG:A decreased much more sharply than on the 8-oxoG:C. Whereas in the absence of KCl and MgCl2in the reaction mixture, the activities on these...

Tài liệu Báo cáo khoa học: Domain deletions and substitutions in the modular protein evolution doc

... for the proteins with the complete arrangement. To take into account the variabilityof the length of the complete domain, the length of the N-terminal fragment was definned as the length of the amino ... on the one hand, and deletion and fission on the other [3,4,21,28]. Exon shuffling and recombinationseem to be rare.ABCDFig. 6. Cluster of the bacterial formate dehy-drogenases. (A,B) The ... cluster and then averaged for evaluation. A length of 0 corres-ponds to the case when the terminal domain is com-pletely deleted, and 100 to the average length of the terminal domain in the whole...

Tài liệu Báo cáo khoa học: Topology, tinkering and evolution of the human transcription factor network doc

... clustering and modularity, because all these proteins share the samerules and they have the potential to give a highly inter-connected subgraph (i.e. a module). According to this, the high clustering ... functionality and phylogeny. How-ever, the nature of the connections between thesefactors needs to be understood at the level of the pro-tein domain. The global properties of the HTFNtopology ... instructions. The remaining TFs con-tained in the database did not form subgraphs and appeared isolated. The relatively small size of the con-nected graph compared with all the entries in the data-base...

Tài liệu Báo cáo khoa học: "POS Disambiguation and Unknown Word Guessing with Decision Trees" pot

... corresponding to their category. Word tokens are looked-up in the Lexicon and those found receive one or more tags. Words with more than one tags and those not found in the Lexicon pass through the Disambiguator/Guesser, ... consideration the formula that computes the gain ratio, we notice that the best feature is the one that presents the minimum entropy in predicting the class labels of the training set, provided the ... tested by the node. Each value is the origin of a subtree hanging under the non-terminal node. The tree is traversed from the root to the leaves. Each non-terminal node tests one after the other...

Tài liệu Báo cáo khoa học: "Integrating Syntactic Priming into an Incremental Probabilistic Parser, with an Application to Psycholinguistic Modeling" ppt

... evidenceagainst the frequency hypothesis, and in favor of the sparse data hypothesis. This means that the small size of the increase in F-score we found inSection 4 is not due to the fact that the adaptionis ... havebeen calling the positive adaptation (the probabil-ity of a rule when the rule is also in the history), and the negative adaptation (the probability of arule when the rule is not in the history). ... because of the second prob-lem noted above, in Section 4, we simulated the context by ﬁlling the cache with rules from the correct tree. In the Between model, these are the rules of the correct...

Tài liệu Báo cáo khoa học: "Integrating Information Extraction and Automatic Hyperlinking" docx

... on TFSs, where the left-hand side of a rule is a regular expression over TFSs, representing the recognition pattern, and the right-hand side is a sequence of TFSs, specifying the output structure. ... number, and gender for the matched items. Eventually, the description on the RHS creates a feature structure of type phrase, where the category is coreferent with the category Noun of the right-most ... identity. Their properties are exploited in two ways. They provide a stronger expressiveness, since they create dynamic value assignments on the automaton transitions and thus exceed the strict...

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