Báo cáo khoa học: "Recommendation in Internet Forums and Blogs" potx

... enriched by such engaginginteractions among bloggers and readers as post-ing, commenting and tagging. Prior to this work,the linking structure and user tagging mechanisms in the blogosphere are ... LinguisticsRecommendation in Internet Forums and BlogsJia WangSouthwestern Univ.of Finance &Economics Chinawj96@sina.cnQing LiSouthwestern Univ.of Finance &Economics Chinaliq t@swufe.edu.cnYuanzhu ... source of information for effective rec-ommendation.Currently, self-publishing media are becomingincreasingly popular. For instance, at this point ofwriting, Technorati is indexing over 133...

Báo cáo khoa học: " Pronominalization in Generated Discourse and Dialogue" pdf

... implemented pronominalization compo-nent utilizing any theory, including Centering the-ory. We thus now turn our attention to what role thisinformation plays in a pronominalization algorithm.5 ... multi-page ﬁc-tional narrative in the fairy tale domain. Using apipelined generation architecture, STORYBOOK per-forms pronominalization before sentence planning, and includes a revision component ... a vari-ety of factors, such as including single instances of nominal de-scriptions, whether dialogue pronouns were considered, and ifborderline quantiﬁers and words like “everyone” were counted.The...

Báo cáo khoa học: Dynamics in electron transfer protein complexes potx

... developed to investigate pro-tein structure, binding and dynamics in solution. Theword dynamics is used to describe both motions withina protein, of backbone, side chains, and domains, and the ... Tight-bindinginhibition of angiogenin and ribonuclease-A by placen-tal ribonuclease inhibitor. Biochemistry 28, 225–230.2 Janin J (2000) Kinetics and thermodynamics of protein–protein interactions. ... keep the protein molecules in closeproximity, thus increasing the lifetime of the associa-tion and allowing a more extensive two-dimensionalsearch for the binding site, increasing the chance...

Báo cáo khoa học: "A Sentiment Analyzer for Micro-blogs" potx

... example,’pain’ can also be used in the sentence ’symptoms of thedisease are body pain and irritation in the throat’ whereit is non-sentiment-bearing). The lack of understandingof word senses and being ... extendedword and retains its contribution to the sentiment ofthe tweet.Chat lingo normalization: Words used in chat /Internet language that are common in tweets arenot present in the lexical ... stop words3from the tweet and stem the words using Lovinsstemmer (Lovins, 1968). Negation in tweets is han-dled by inverting sentiment of words after a negat-ing word. The words ‘no’, ‘never’,...

Tài liệu Báo cáo khoa học: How to remain nonfolded and pliable: the linkers in modular a-amylases as a case study ppt

... participatingTable 1. Amino acid frequencies (%) in a-amylase linkers, in a setof globular proteins, in the Swiss-Prot databank and in intrinsicallyunstructured proteins.Aminoacid LinkersaGlobularproteinsbSwiss-ProtcIntrinsicallyunstructuredproteinsbAla ... ofthis domain in recently available sequence and genomedatabanks. Interestingly, this domain was found in some closely related bacterial species, but mainly in nonvertebrate animals, and invariably ... the ring may sterically disfavor extensivebending in this region, which could result in unwantedinteractions between the linker and the binding module. In this respect, 72% of the C-terminal...

Tài liệu Báo cáo khoa học: Proteomic analysis of dopamine and a-synuclein interplay in a cellular model of Parkinson’s disease pathogenesis docx

... dopamine treatment, overexpres-sion of a-synuclein signiﬁcantly affected the levels offour proteins [stathmin 1, glutathione S-transferase(GST)p, Ran 1 binding protein and C1q binding pro-tein], ... proteins wereincluded in two different networks and proteinsresponding to dopamine treatment only segregatedfrom those showing a response to a-synuclein overex-pression alone or in combination ... VDAC-2) and ten proteins [pyruvate kinase, 60Sacidic ribosomal protein P2 (RPLP2), eukaryoticinitiation factor 5A (eIF5A), parathymosin, L7 ⁄L12,annexin A2, annexin A5, aldolase A, fascin 1 and peroxyredoxin...

Tài liệu Báo cáo khoa học: Changes in purine speciﬁcity in tandem GAF chimeras from cyanobacterial cyaB1 adenylate cyclase and rat phosphodiesterase 2 pptx

... thedimerizing a-helices N-terminal to GAF A are turnedinwards and interact with each other and with thea-helical linkers between the GAF A and B subdomains. In both structures, the cAMP-binding and ... cGMP binding [13], and, in PDE6, both of theamino acids corresponding to Phe433 ⁄ Asp434 in rPDE2A are required for cGMP binding [14].Our initial mutations in cyaB1 GAF B also involvedindividual ... GAF A and B bind cAMP (Fig. 1A,B,D,E). Again, the b1–b3region is the major interaction site for the adeninemoiety. In b1, an arginine residue (Ile417 in rPDE2)binds to N1 and a threonine (Ser419...

Tài liệu Báo cáo khoa học: Globin gene family evolution and functional diversiﬁcation in annelids ppt

... 2007)doi:10.1111/j.1742-4658.2007.05799.xGlobins are the most common type of oxygen-binding protein in annelids. In this paper, we show that circulating intracellular globin (Alvinella pom-pejana and Glycera dibranchiata), noncirculating ... DHP,extracellular and intracellular globins (circula-ting and noncirculating) amino-acidsequences. Intracellular globin sequencesare shaded. Positions of intron 1 (B12.2) and 2 (G7.0) are indicated ... simultaneouslyinvolved the possibility for globins and linkers (proteinsinvolved in the structure of HBL-Hb) to interact and tobind to dimers or other aggregation states while conser-ving functionality....

Tài liệu Báo cáo khoa học: Abstract Integration of Metabolism and Survival PP-1 The metabolic switch in liver methionine metabolism pptx

... bymeasuring the ratio between L-arginine and ADMA. Guinea pigswere pretreated with taurine and saline (for the control) followedby intraperitoneal administration of LPS. Levels of plasmaL-Arginine ... groups.Taurine, an endogenous antioxidant and a membrane stabilizingamino acid, may protect tissues against I/R injury. This studyinvestigated the effects of taurine and stobadine against renal I/Rinjury ... has intrinsic binding activity to UV-dam-age. COP9 and Cullin 4A super complexes containing DDB1-DDB2 (UV-DDB) heterodimer, show similar binding propertieswith UV-DDB heterodimer in an in vitro...

Tài liệu Báo cáo khóa học: Mutations in the hydrophobic core and in the protein–RNA interface affect the packing and stability of icosahedral viruses doc

... encoded in the native conformation ofthe capsid protein and in its interaction with the nucleic acid.Here we investigated how the packing and stability of viruscapsids are sensitive to single amino ... stranded antiparallel b-sheet (strands bC–bG)facing the interior of the phage particle, with anN-terminal hairpin (strands bAandbB) and two a-helices(aAandaB) shielding most of the upper surface ... Cavities and stability in MS2 capsid mutants (Eur. J. Biochem. 271) 141middle of the central b-strand of the coat protein dimer and its side-chain projects into the protein’s interior (Figs 1Band...

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