Tài liệu Báo cáo khoa học: "THE REPRESENTATION OF INCONSISTENT INFORMATION IN A DYNAMIC MODEL-THEORETIC SEMANTICS" ppt

... usually infinite. Dynamic models are incomplete models that include only the information needed for an application and to which information can be added. Dynamic models are basically approximations ... Model-theoretic semantics provides a computationally attractive means of representing the semantics of natural language. However, the models used in this formalism are...

Ngày tải lên: 21/02/2014, 20:20

... tree adjoining grammars. In 26 th meeting Assoc. Com- pat. Ling., 1988. 393 The Use of Shared Forests in Tree Adjoining Grammar Parsing* K. Vijay-Shanker Department of Computer & Information ... associated with a selec- tive adjoining (SA) constraint that determines the set of auxiliary trees that can be adjoined at that node. In addition when adjunction is man...

Ngày tải lên: 22/02/2014, 10:20

... precipitation of a- lactalbumin commenced after 25 min and reached a plateau after 90 min. The amount of DTT-induced aggregation of a- lactalbumin was increased in a concentration-dependent manner ... aB-crystallin against DTT-induced precipi- tation of insulin at intermediate and high concentra- tions, and it also increased the activity of aB-crystallin in preventing the...

Ngày tải lên: 18/02/2014, 16:20

... proteins involved in signal transduction and vesicle trafficking, specifically associate to negatively charged membranes. As all these data are suggestive of a role of mem- branes, in particular of ... proteins with cytotoxic activ- ity: BS-RNase [10] is a natural dimeric RNase; RNase- AA [21], RNase-AA-G [21], and RNase-AA-GG [22] are dimeric variants engineered from bovine pancr...

Ngày tải lên: 19/02/2014, 06:20

... This indicates that N-glycans, in particular their terminal trimming, are important for the GABA-uptake activity of GAT1. They play a regulatory role in the GABA translocation by affecting the affinity ... stability, trafficking and GABA-uptake of GABA-transporter 1 Terminal N-glycans facilitate efficient GABA-uptake activity of the GABA transporter Guoqiang Cai 1,2 , Petrus S. Salon...

Ngày tải lên: 19/02/2014, 17:20

... hypothesized that by having access to this information, users will have a better idea of where instruction is heading, thus facilitating their understanding of the relevance of the current ... spe- cific lexical and prosodic phenomena (Hirschberg and Nakatani, 1996) , natural language generation (Hovy, 1993), essay scoring (Higgins et al., 2004) as well as in interactive sett...

Ngày tải lên: 20/02/2014, 12:20

... a broad range of ametabolous and hemimetabolous hexapod taxa. We obtained a total of 12 full-length and 5 partial cDNA sequences of hemo- cyanins from representatives of Collembola, Archeognatha, Dermaptera, Orthoptera, ... Arche- ognatha, Zygentoma, Plecoptera, Dermaptera, Orthop- tera, Phasmatodea, Mantodea, Isoptera and Blattaria, but not in Protura, Diplura, Ephemeroptera, O...

Ngày tải lên: 18/02/2014, 08:20

... of this material with trypsin initially caused a gradual decrease of the number of nucleosomes per chain in the main peak, with a corresponding increase in the Fig. 5. UV absorbance profiles of ... maximum span of crosslinking is 1.2 nm. A sample of oligonucleosomes, consisting mainly of tetra-, penta-, hexamers, minor tri- and heptamer com- ponents with an average numb...

Ngày tải lên: 18/02/2014, 18:20

... benzo [a] pyrene-2¢-deoxyguanosine adducts affects DNA methylation by SssI and HhaI DNA methyltransferases Oksana M. Subach 1 , Diana V. Maltseva 1 , Anant Shastry 2 , Alexander Kolbanovskiy 2 , Saulius Klimas ˇ auskas 3 , ... dissociation constant; M.SssI, SssI DNA methyltransferase; M.HhaI, HhaI DNA methyltransferase; MTase, DNA methyltransferase; V 0 , initial rate of methylation; V max...

Ngày tải lên: 19/02/2014, 00:20

... ubiquitylation and reduced degradation results from mutations that affect the extracellular domain and the stop codon. Abbreviations ACH, achondroplasia; BFA, brefeldin A; Cbl, casitas B-lineage lymphoma; ... phenotype called severe achondroplasia with developmental delay and acanthosis nigricans (SADDAN) [12], whereas replace- ment of lysine by asparagine or glutamine (K650N ⁄ Q) is assoc...

Ngày tải lên: 19/02/2014, 00:20