Báo cáo khoa học: "SystemT: SystemT: An Algebraic Approach to Declarative Information Extraction" potx

... userguide).AnHai Doan, Luis Gravano, Raghu Ramakrishnan, andShivakumar Vaithyanathan. 2008. Special issue onmanaging information extraction. SIGMOD Record,37(4).Witold Drozdzynski, Hans-Ulrich ... Linguistics SystemT: An Algebraic Approach to Declarative Information ExtractionLaura Chiticariu Rajasekar Kri shnamurthy Yunyao LiSriram Raghavan Frederick R. Reiss Shivakumar VaithyanathanIBM ... validates that high-qualityannotators can be developed with SystemT, andthat their runtime performance is an order of mag-nitude better when compared to annotators devel-oped with a state-of-the-art...

Báo cáo khoa học: A steady-state modeling approach to validate an in vivo mechanism of the GAL regulatory network in Saccharomyces cerevisiae ppt

... response to galactose.The GAL genetic switchThe G AL regulatory network is c omposed of threeregulatory proteins: a transcriptional a ctivator Gal4p, anegative regulator Gal80p and a signal transducer ... work,we analyze the GAL genetic switch in S. cerevisiae to demonstrate such an approach towards identifying thein vivo mechanism from a pool of candidate models. Wevalidate the mechanism by ... echanisms in the overallhierarchy is limited to a subset of the total in vivointeractions. Quantitative analyses have been used to integrate the metabolic pathways for signal t ransductionand...

Tài liệu Báo cáo khoa học: "A Novel Feature-based Approach to Chinese Entity Relation Extraction" ppt

... semantic information to lexical and syntactic features of the context. Kernel-based approaches, on the other hand, explore structured representation such as parse tree and dependency tree and ... Comparably, feature-based approaches are easier to implement and achieve much success. In contrast to the significant achievements concerning English and other Western languages, research progress ... set to 4 in this study). All the internal and external context characters are transformed to Uni-grams and Bi-grams. z Word List Features Although Uni-grams and Bi-grams should be able to...

Tài liệu Báo cáo khoa học: "A Logic-based Semantic Approach to Recognizing Textual Entailment" ppt

... Logic-based Semantic Approach to Recognizing Textual EntailmentMarta Tatu and Dan MoldovanLanguage Computer CorporationRichardson, Texas, 75080United States of Americamarta,moldovan@languagecomputer.comAbstractThis ... knowledgerepresentation language used to induce the repre-sentations of and and uses an extended sub-sumption algorithm to check if any of ’s rep-resentations obtained through equivalent transfor-mations ... combinations between any two se-mantic relations and their inverses, not countingthe combinations between a semantic relation anditself10. Many combinations are not semanticallysigniﬁcant, for example,...

Báo cáo khoa học: A novel 2D-based approach to the discovery of candidate substrates for the metalloendopeptidase meprin pot

... similar to elongation factor 2Protein metabolism Translationregulator activityXP_533949 7006 62 1.00 · 10)10PREDICTED: similar to ﬁlamin A isoform 8Cell growth and ⁄ ormaintenanceCytoskeletalanchoring ... inwidth over entire lane) were used to generate proﬁle scansof each gel lane. In each proﬁle scan, vertical peak borderswere deﬁned to subdivide the whole gel lane into integrablemajor peaks. ... ofasparagine and glutamine. Parent and fragment mass toler-ances were set to 1 Da. Up to two missed cleavages andhalf tryptic peptides were allowed. The taxonomic searchspace was restricted to Mammalia...

Báo cáo khoa học: "A Cross-Lingual ILP Solution to Zero Anaphora Resolution" potx

... subsumes the string of ANA; otherwise 0.COMP MATCH 1ifANA and NP have the same string; otherwise 0.NP, ANA and ZERO stand for a candidate antecedent, a candidate anaphor and a candidate zero pronoun ... editorials from January to August were used for training and articles datedJanuary 14th to 17th and editorials dated October to December are used for testing as done by Tairaet al. (2008) and ... both Italianand Japanese zero anaphora. We incorporateour model in complete anaphoric resolvers forboth Italian and Japanese, showing that our approach leads to improved performance alsowhen...

Báo cáo khoa học: "A Best Practices Guided Development Environment for Information Extraction" doc

... speciﬁcally,how to enable the ease of development and mainte-nance of high-quality information extraction rules,also known as annotators, or extractors.Developing extractors is a notoriously labor-intensive ... enter-prise applications, including ﬁnancial risk analysis,social media analytics and regulatory compliance,among many others. An important practical chal-lenge driven by the use of IE in these applicationsis ... Eachleaf node in an extraction plan corresponds to an atomic extraction task, while the non-leaf nodes de-note higher-level tasks based on one or more atomicextraction tasks. For instance, in our...

Báo cáo khoa học: "Instance Splitting Strategies for Dependency Relation-based Information Extraction" pot

... important to enhance results in such tasks as Question Answering, Information Retrieval and Text Summarization. Multiple efforts in MUC series allowed IE systems to achieve near-human performance ... Victim_Cue Table 2. Instances with anchor cues 3.2 Relationship extraction and ranking In the next stage, we need to find meaningful relations to unify instances using the anchor cues. This unification ... baseline approach Anc+rel outperforms all the state-of-art systems. It demonstrates that both an- chors and relations are useful. Anchors allow us to group entities according to their semantic meanings...

Báo cáo khoa học: "Towards a Uniﬁed Approach to Memory- and Statistical-Based Machine Translation" pdf

... en-able us to translate natural languagesentences by exploiting both a trans-lation memory and a statistical-basedtranslation model. Our results showthat an automatically derived transla-tion ... existing, human pro-duced translation instances, which are stored ina translation memory (TMEM). Many methodshave been proposed for storing translation pairsin a TMEM, ﬁnding translation examples ... relevant for translating unseen sentences, andmodifying and integrating translation fragments to produce correct outputs. Sato (1992), for ex-ample, stores complete parse trees in the TMEMand...

Báo cáo khoa học: A novel mass spectrometric approach to the analysis of hormonal peptides in extracts of mouse pancreatic islets ppt

... from pancreatic islets (a), showingdetails of the insulin 1 and 2 (b) and C-peptides1 and 2 (c) signals. The most abundant pep-tides turned out to be those from proinsulin.Insulin1and2andC-peptide1and2wereidentiﬁed, ... Conrads,T.P.,Alving,K.,Veenstra,T.D.,Belov,M.E.,Ander-son, G.A., Anderson, D.J., Lipton, M.S., Pasa-Tolic, L., Udseth,H.R., Chrisler, W.B., Thrall, B.D. & Smith, R.D. (2001) Quanti-tative analysis of bacterial and mammalian proteomes ... in an acid ethanol extract of mousepancreatic islets. The most abundant peptides, those derivedfrom proinsulin and proglucagon, were identiﬁed by theirmasses and additional sequence-tag information...

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