Báo cáo khoa học: "Fully Unsupervised Discovery of Concept-Specific Relationships by Web Mining" pdf
Báo cáo khoa học: "Fully Unsupervised Discovery of Concept-Specific Relationships by Web Mining" pdf
... Unsupervised Discovery of Concept-Specific Relationships by Web MiningDmitry DavidovICNCThe Hebrew UniversityJerusalem 91904, Israeldmitry@alice.nc.huji.ac.ilAri RappoportInstitute of Computer ... abroad variety of relationships with good pre-cision.1 IntroductionThe huge amount of information available on the web has led to a flurry of research on methods forautomatic creation of structured ... precise sets of hyponyms and vice versa.The initial step of the resulting alternating bootstrapprocess – the user-provided input – could just as wellconsist of examples of hyponyms as of lexical...
- 8
- 330
- 0
Báo cáo khoa học: "Fully Unsupervised Core-Adjunct Argument Classification" pot
... the verb (accordingto the unsupervised parse tree), whose parent isan ancestor of the verb. This follows the pruningheuristic of (Xue and Palmer, 2004) often used by SRL algorithms.The corpus ... identification of prepositionsand verbs) scenario, a gold standard list of prepo-sitions was provided. The list was generated by taking every word tagged by the preposition tag(‘IN’) in at least one of ... (Briscoe and Carroll, 1997; Sarkarand Zeman, 2000), but often with a small num-ber of verbs or a small number of frames. A dis-cussion of the differences between type and tokenlevel evaluation...
- 11
- 356
- 0
Báo cáo khoa học: "Fully Unsupervised Word Segmentation with BVE and MDL" pdf
... corpus c anda vector of parameters θ ∈ Θ to one of thepossible segmentations of that corpus. The goal of fully unsupervised segmentation is to reduceSEGMENT(c, θ) to SEGMENT(c) by removing theneed ... implicitlydefined by S, is simply the set of unique words in S.The description length of S can then be broken intotwo components, the description length of the lex-icon and the description length of the ... description length of thesegmentation, we must also include the cost of thelexicon. Adding in the description length of the lex-icon forces a trade-off between the lexicon size andthe size of the compressed...
- 6
- 373
- 0
Tài liệu Báo cáo khoa học: A functional polymorphism of apolipoprotein C1 detected by mass spectrometry docx
... vivo.Known variants of the ApoC1 gene are limited to un-translated regions of the gene, synonymous mutations of the coding sequence and a number of variants of theintron regions of the gene (NCBI ... survey of plasma proteins in approximately 1300 individuals by MALDI-TOF MS resulted in identification of a structural polymorphism of apolipoprotein C1 (ApoC1) that was found only in persons of AmericanIndian ... accomplished by comparison of m ⁄ z values with those of knownplasma proteins, Edman degradation of the entire sam-ple with observed removal of mass appropriate for theexpected N-terminal residue of...
- 9
- 529
- 0
Tài liệu Báo cáo khoa học: Glucuronate, the precursor of vitamin C, is directly formed from UDP-glucuronate in liver pptx
... formed by hydrolysis of UDP-glucuronate or indirectly through the transfer of glucuronide to an endogenous (unknown) acceptor by a UDP-glucuronosyltransferase, followed by thehydrolysis of the ... microsomalfraction by only 20%, despite the presence of ATP-Mg. It is shown below that this is due to loss of theinhibitory effect of ATP-Mg, consequent to theremoval of a heat-stable cofactor present ... is the result of two successive reactionscomprising the hydrolysis of UDP-glucuronate to glu-curonate 1-phosphate and UMP by a pyrophospha-tase, followed by dephosphorylation of glucuronate1-phosphate...
- 12
- 659
- 0
Tài liệu Báo cáo khoa học: "Extraction and Approximation of Numerical Attributes from the Web" pdf
... of the methods aresuitable for retrieval of numerical attributes. How-ever, most of them do not exploit the numericalnature of the attribute data.Our research is related to a sub-domain of ... variation of theextracted numerical attribute values using infor-mation in the textual context of these values.A significant body of recent research deals withextraction of various data from web ... [Object2]’. We execute search queriesfor each of these patterns, and extract a set of or-dered term pairs, keeping track of the relationships encoded by the pairs.We use these pairs to build a...
- 10
- 465
- 0
Tài liệu Báo cáo khoa học: "Sense-based Interpretation of Logical Metonymy Using a Statistical Method" pdf
... each phrase out of manymore yielded by the model. It fails to take intoaccount the quality of the list of top interpreta-tions, although the latter is deemed to be the aim of such applications. ... wasstored. This means that sense 3 of watch, sense3 of view and sense 7 of see would be correctinterpretations of the metonymic expression.The obtained number of synsets ranges from 14(try shampoo) ... probabilities of the verb strings derived by themodel of Lapata and Lascarides (2003).6.1 Zipfian Sense Frequency DistributionThe probability of each string from our initial listrepresents the sum of...
- 9
- 429
- 0
Tài liệu Báo cáo khoa học: Oxygen-dependent regulation of hypoxia-inducible factors by prolyl and asparaginyl hydroxylation pdf
... mechanism of regulation of both domains involves acommon iron dependent process [74,75,79].Regulation of HIFa subunits by oxygen-dependent prolyl and asparaginylhydroxylationA variety of oxygen ... CAD of HIF-1a and HIF-2a.Other mechanisms of activationThe induction of HIF activity by well established agentssuch as hypoxia, cobaltous ions and iron chelators can beeasily explained by ... hydroxylation of substrates by the collagen prolyl-4-hydroxylase has been shown to beinhibited by the artificial generation of radicals at theenzyme active site [110]. Thus, the effects of reactive...
- 10
- 603
- 0
Tài liệu Báo cáo khoa học: "ON THE REPRESENTATION OF QUERY TERM RELATIONS BY SOFT BOOLEAN oPERATORS" ppt
... to a recognition of noun phrases of the type normally included in back -of- the-book indexes, and an identification of related terms included in a preconstructed thesaurus of quasi-synonyms. ... components of greater or lesser importance. In summary, the uncertain (fuzzy) nature of the term relationships which obtain in the natural language are not reflected by the rules of ordinary ... of logic is needed which is capable of broadening or narrowing the term units, while also providing for distinctions in term importance and for the specif- ication of fuzzy or soft term relationships. ...
- 7
- 456
- 0
Báo cáo khoa học: Protein folding intermediates of invasin protein IbeA from Escherichia coli pdf
... 10–3 deg cm2 dmol–1presence of saltabsence of saltFig. 5. Effect of salt on the structure of IbeA. Structural changes of IbeA as a function of pH were monitored by studying ellipticityvalues ... NMR view of the non-cooper-ative unfolding of a molten globule. Nat Struct Biol 4,630–634.17 Dalby PA, Oliveberg M & Fersht AR (1998) Foldingintermediates of wild-type and mutants of barnase. ... spectra of IbeA at pH 7.0and 2.0 and in the presence of 6 m Gdm-HCl areshown in Fig. 3. The lowering of pH from 7.0 to 2.0drastically decreased fluorescence intensity by 70–75%with a blue shift of...
- 12
- 335
- 0
Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘI