Tài liệu Báo cáo khoa học: "Experiments in Semantic Classification" pptx

... therefore, briefly consider the question of defining meaning in terms of other semantic relations. The Definition of Intra-Linguistic Meaning in Terms of Semantic Relations For our purpose we need ... adequate for our purposes. In giving a synonym definition, we are making use of a more general idea, namely, that of defining the intra- linguistic meaning of a word in terms...

Ngày tải lên: 19/02/2014, 19:20

... structure of the grammar (e.g. turning inequa- tions in finite domains into disjunctions, map- ping constraining equations onto defining ones, if the automatic inference of the proper subtypes ... satisfactory results, the intermediate structures are printed out instead, together with a comment saying which steps failed indicating where further hand-tuning is required. In particula...

Ngày tải lên: 22/02/2014, 10:20

... found in a writ- ten text. extended in order to maintain a coherent discourse structure for the modelling of the producer. Thus rhetorical relations describing planning processes are introduced. ... containing (U2) and (U3) is 'cut off' and not available for further attachment. Embedded within the expectation is an utterance describing the ongoing planning and searchi...

Ngày tải lên: 20/02/2014, 18:20

... cGMP binding [13], and, in PDE6, both of the amino acids corresponding to Phe433 ⁄ Asp434 in rPDE2A are required for cGMP binding [14]. Our initial mutations in cyaB1 GAF B also involved individual ... major interaction site for the adenine moiety. In b1, an arginine residue (Ile417 in rPDE2) binds to N1 and a threonine (Ser419 in rPDE2) inter- acts with N7 and the N 6 amino group...

Ngày tải lên: 19/02/2014, 02:20

... general unfolding, not leaving any hydrophobic cleft for bis-ANS binding. High pressure is well known to denature proteins to partially folded states [15,17,38,48–50]. The large increase in bis-ANS binding ... sterically interfere with side-chain packing in the protein’s interior. Mutations that create cavities in hydro- phobic environments generally cause proteins to become less stable...

Ngày tải lên: 19/02/2014, 12:20

... containing poly(ADP-ribose) polymerase activity and other single strand RNA viral proteins. They show structural similarity to the DNA binding domain of leucine aminopeptidases, suggesting that DNA ... interactions in both directions. An additional N-terminal sequence in CENP-A or the extra C-ter- minal region in mH2A both result in inactive and compact chromatin regions (Fig. 2G). I...

Ngày tải lên: 20/02/2014, 02:22

... FUÆlgprotein )1 Æh )1 ). In parallel with this decrease in activity, oxidized proteins accumulated in the matrix upon aging while the CML-modified protein content assessed by ELISA significantly increased ... been found in several mammals including human tissues and cell lines [24–26]. It is responsible for the degradation of abnormal proteins and certain short-lived specific proteins [2...

Ngày tải lên: 20/02/2014, 11:20

... specialized to a domain by inheriting and instantiating domain-specific types and instances of the PS objects. 5.3 Adaptive Turn Planning The fission component comprises detailed con- tent planning, media ... the multi-modal setting. Novel aspects in turn planning and realization include the comprehensive modeling in a sin- gle, OWL-based ontology and an extended range of context-sensitive...

Ngày tải lên: 20/02/2014, 12:20

... EXPERTISE Formulating linguistic rules for RBMT is a difficult job and requires a linguistically trained staff. Moreover, linguistics does not deal with all phenomena occurring in real text (Nagao ... "Language Engineering : The Real Bottleneck of Natural Language Processing", Proceedings of the 12th International Conference on Computational Linguistics. Nirenburg, S. 1987...

Ngày tải lên: 20/02/2014, 21:20

... geography, most questions within the English subset are answered in well under one second, including queries which involve taking Joins between relations having of the order of a thousand ... formalisms, in that it permits data to be defined by general rules having the power of a fully general programming language. The logic programming approach therefore allows one to interfac...

Ngày tải lên: 21/02/2014, 20:20