identification of biological relationships from text documents
Báo cáo khoa học: "A Practical Solution to the Problem of Automatic Part-of-Speech Induction from Text" pdf
Ngày tải lên :
08/03/2014, 04:22
... assignment of the ambiguous words to clusters is not required at this stage, as this is taken care of in the next step This step involves computing the differential vector of each word from the ... 8 16 Table Co-occurrence matrix of adjacent words Figure Constructing the parts of speech for can Procedure Our computations are based on the unmodified text of the 100 million word British National ... indicate that part of speech induction is possible with good success based on the analysis of distributional patterns in text The study also gives some insight how SVD is capable of significantly...
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Báo cáo khoa học: "Automatic Identification of Word Translations from Unrelated English and German Corpora" pot
Ngày tải lên :
08/03/2014, 06:20
... cooccurrences of words that are translations of each other If - for example - in a text of one language two words A and B co-occur more often than expected by chance, then in a text of another language ... terms of corpus frequencies: kl~ = frequency of common occurrence of word A and word B kl2 = corpus frequency of word A - kll k21 = corpus frequency of word B - kll k22 = size of corpus (no of tokens) ... Nevertheless, this clue is applicable in the case of comparable texts, although with a lower reliability than for parallel texts However, in the case of unrelated texts, its usefulness may be near zero...
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báo cáo hóa học: "On the identification of sensory information from mixed nerves by using single-channel cuff electrodes" pot
Ngày tải lên :
19/06/2014, 08:20
... appropriate topology of a neural network nor the number of neurons, the parameters were determined by means of iterative search The numbers of hidden layers (from to 3) and neurons (from to 11), and ... filter with cutoff frequencies of 10 Hz and kHz), digitized at 20 kHz (PowerLab) and fed into a PC running Chart v5.5 (AD Instruments) Datasets consisted of ten applications of every type of stimuli ... restnoise from cuff recorded neural signals in cats as well as in humans However, the main goal of these studies was to identify the onset (and offset) of a specific neural activity, with the aim of...
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Báo cáo y học: "Discovery of biological networks from diverse functional genomic data" ppt
Ngày tải lên :
14/08/2014, 16:20
... of our method is its robustness to the quality and size of the query set For each of the 31 The query-driven nature of the search algorithm is a key factor in the accuracy of our method The relationships ... Figure Experimental validation of bioPIXIE prediction for the biological role of YPL017C Experimental validation of bioPIXIE prediction for the biological role of YPL017C bioPIXIE was used to ... for deciphering more precise details of biological relationships Our notion of functional relationship is intentionally rather general so a wide variety of biological interactions can be detected...
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Extraction of Vietnamese collocation from text corpora trích chọn lọc collocation tiếng Việt từ kho ngữ liệu văn bản
Ngày tải lên :
25/03/2015, 09:41
... research aspects of syntactic function of collocation in the text The definition of Benson is one of the most commonly-used, but it ignores a number of features and attributes of collocation applications ... derived from the sum of the meanings of its elements It becomes well impossible to guess the meaning of an idiom from the words it contains And, moreover, the meanings that idioms have are often ... weather conditions Indigenous people are often unaware of the rigidity of the collocation in the regular text, however, the rigidity of the collocation in the text can also cause major difficulties...
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Identification of metabolites of meisoindigo from interspecies microsomes and in vivo biological fluids in rats by liquid chromatography tandem mass spectrometry
Ngày tải lên :
14/09/2015, 14:08
... types of position isomers of mono-hydroxyl-meisoindigo FIG 4-6 Metabolic stability profile of meisoindigo in male and female rat 105 kidney microsomes FIG 4-7 Formation of reductive metabolites of ... SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF PHARMACY NATIONAL UNIVERSITY OF SINGAPORE 2009 ACKNOWLEDGEMENTS I am deeply indebted to my supervisor Prof Ho Chi Lui, Paul for his ... Characterization of circulatory and excretory metabolites of meisoindigo in rat plasma, urine and feces by LC-MS/MS (Manuscript in preparation) Huang M and Ho PC (2009) Identification of metabolites of meisoindigo...
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Tài liệu Báo cáo khoa học: "Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns and Machine Learning Techniques" doc
Ngày tải lên :
20/02/2014, 09:20
... ef sf >4 y2’ is one of the features from the sentence of Ex2 in section 3.1 Experimental Results Three trained human annotators compiled a corpus of 277 online documents from various domains ... extraction from each comparativesentence candidate, we use continuous words sequence within the radius of (the window size of 7) of each keyword in the sentence; we experimented with radius options of ... long-distancewords sequence Keyword searching process can detect most of comparative sentences (S1, S2 and S3) from original text documents That is, the recall is high but the precision is low We...
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Tài liệu Báo cáo khoa học: "Automatic Construction of Polarity-tagged Corpus from HTML Documents" docx
Ngày tải lên :
20/02/2014, 12:20
... itemization, there are two sentences in each of the (1) kono software-no riten-ha hayaku ugoku run this software-POST advantage-POST quickly The advantage of this software is to run quickly (2) ketten-ha ... works that discuss learning the polarity of words instead of sentences Hatzivassiloglou and McKeown proposed a method of learning the polarity of adjectives from corpus (Hatzivassiloglou and McKeown, ... bootstrapping In Proceedings of the CoNLL Conclusion Janyce Wiebe and Ellen Riloff 2005 Creating subjective and objective sentence classifiers from unannotated texts In Proceedings of the CICLing This...
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Tài liệu Báo cáo khoa học: "Deriving an Ambiguous Word’s Part-of-Speech Distribution from Unannotated Text" doc
Ngày tải lên :
20/02/2014, 12:20
... solution to the problem of automatic part -of- speech induction from text Proceedings of the 43rd ACL Conference, Companion Volume, Ann Arbor, MI, 77–80 Rapp, Reinhard (2007) Part -of- speech discovery ... correct two parts of speech obtain the emphasis, the distribution of the weighting among them is somewhat different Results As our test vocabulary we chose a sample of 50 words taken from a previous ... clusters contextual features (neighbor pairs) as observed in a large text corpus and derives syntactically oriented word classes from the clusters In addition, for each 55 word a probability of its...
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Tài liệu Báo cáo khoa học: "AUTOMATIC ACQUISITION OF SUBCATEGORIZATION FRAMES FROM UNTAGGED TEXT" doc
Ngày tải lên :
20/02/2014, 21:20
... architecture of the system, and that of this paper, directly reflects the three challenges described above The system consists of three modules: Verb detection: Finds some occurrences of verbs using ... many verbs occur in a sentence Finding some of the verbs in a text reliably is hard enough; finding all of them reliably is well beyond the scope of this work Finally, any system applied to real ... you make them think (These examples are actual text from the Penn corpus.) The extraordinary accuracy of verb detection - - within a tiny fraction of the rate achieved by trained human taggers...
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Tài liệu Báo cáo khoa học: Physicochemical characterization and biological activity of a glycoglycerolipid from Mycoplasma fermentans ppt
Ngày tải lên :
21/02/2014, 00:20
... fluorescence intensity as function of time of doublelabeled liposomes made from PS (A) or from PC (B) after the addition of MfGl-II or LPS Re at t = 50 s and subsequent addition of LBP (0.2 mM) at t = 100 ... based on the property of lysates of amebocytes of the horseshoe crab Limulus polyphemus, to form a solid gel in the presence of minute amounts of endotoxins The comparison of LPS and MfGl-II in ... (MALP-2) were kind gifts of K.-H Wiesmuller (Tubingen, ¨ ¨ Germany) Bovine brain 3-sn-PS and egg 3-sn-PC were obtained from Sigma (Deisenhofen, Germany) For preparation of liposomes from a phospholipid...
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Báo cáo khoa học: Role of different moieties from the lipooligosaccharide molecule in biological activities of the Moraxella catarrhalis outer membrane pot
Ngày tải lên :
07/03/2014, 05:20
... consisted of a linker (Glc-Kdo2)-lipid A structure The phenotype of this mutant was examined to investigate the roles of different moieties of the LOS molecule in biological activities of the M ... progression of the COPD Approximately 20 million cases of such exacerbations are reported each year in the United States, up to 35% of them resulting from M catarrhalis infections The pathogenesis of ... The ions with m ⁄ z of 917.4 and 877.4 (unmarked) are monosodiated and anhydro forms of 895.4 ion, respectively The ion with m ⁄ z of 797.4 was from the anhydro fragment ion of de-O-acylated lipid-A...
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Báo cáo khoa học: "Weakly-Supervised Acquisition of Open-Domain Classes and Class Attributes from Web Documents and Query Logs" pot
Ngày tải lên :
08/03/2014, 01:20
... of pairs of a class label and an instance {} Variables: {S} = clusters of distributionally similar phrases {V} = vectors of contextual matches of queries in text {ME } = set of pairs of ... snapshot from 2006 The textual portion of the documents is cleaned of HTML, tokenized, split into sentences and part-ofspeech tagged using the TnT tagger (Brants, 2000) 3.2 Evaluation of Labeled ... Figure 2: Acquisition of labeled sets of class instances lowed by the generation of unlabeled clusters {S} of distributionally similar queries, by clustering vectors of contextual features collected...
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Báo cáo khoa học: Studies on structure–function relationships of indolepyruvate decarboxylase from Enterobacter cloacae, a key enzyme of the indole acetic acid pathway ppt
Ngày tải lên :
08/03/2014, 02:20
... integral of with respect to the indole protons is consistent with the occurrence of the enol form of indolepyruvate (Fig 1) In the course of the establishment of the equilibrium % 85% of the enol ... of the cofactors The enzyme is destabilized at low ionic strength The stability of EcIPDC in aqueous solutions is higher than that of other PDCs The rate constant of inactivation of PDC from Pisum ... the rate constants of reconstitution, calculated from the corresponding progress curves, on the concentration of ThDP (Fig inset) is indicative of a two-step mechanism of cofactor binding as...
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Báo cáo khoa học: "Automatic construction of a hypernym-labeled noun hierarchy from text" docx
Ngày tải lên :
08/03/2014, 06:20
... any kind of semantic relationship among the hypernyms listed Because of the method of selecting hypernyms, the hypernyms may be synonyms of each other, have hypernym-hyponym relationships of their ... Hearst (1992) introduced the idea of learning hypernym-hyponym relationships from text and gives several examples of patterns that can be used to detect t h e s e relationships including those used ... good cluster of cities that because of sparse data was assigned a poor hypernym Some of the suggestions in the following section might correct this problem Of the 50 noise words, a few of them were...
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Báo cáo khoa học: " The Development of Lexical Resources for Information Extraction from Text Combining Word Net and Dewey Decimal Classification" potx
Ngày tải lên :
08/03/2014, 21:20
... manual or semi-automatic identification from the corpus of an initial lexicon (Core Lexicon), i.e of the lexicon covering the corpus sample • Consolidation: extension of the Core Lexicon by using ... quantity of terms and development time of the whole lexicon One of the issues that we are currently investigating is that of choosing the correct set of field labels from DDC: DDC is very detailed and ... they are used off-line, lexical ambiguity can introduce so much noise (and then overhead) in the lexical development process that their use can be inconvenient from the point of view of efficiency...
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Identification of Research Needs Relating to Potential Biological or Adverse Health Effects of Wireless Communication pptx
Ngày tải lên :
15/03/2014, 15:20
... detail in the text Committee on Identification of Research Needs Relating to Potential Biological or Adverse Health Effects of Wireless Communications Devices IDENTIFICATION OF RESEARCH ... president of the National Academy of Sciences The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of...
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Báo cáo khoa học: "Person Identification from Text and Speech Genre Samples" ppt
Ngày tải lên :
17/03/2014, 22:20
... training) - Identification of person in a novel topic (using five topics as training) - Identification of person in written genres, after training on the two spoken genres - Identification of person ... author of the text genre The best score was 29% for essays 5.6 Predict Authorship in a Textual Genre Given Information on Other Textual Genres Table 12 shows the results of training on text data ... features are denoted feature set L From the original 24 participants’ documents and the new participants’ documents from Phase II, we aggregated all samples from all genres and computed the top...
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Support to the identification of potential risks for the environment and human health arising from hydrocarbons operations involving hydraulic fracturing in Europe doc
Ngày tải lên :
23/03/2014, 00:20
... lifetime of the plant (well pad) The challenge of ensuring a correct identification and selection of geological sites, based on a risk assessment of specific geological features and of potential ... the scope of this study, hydraulic fracturing is to be understood as the cycle of operations from the upstream acquisition of water, to chemical mixing of the fracturing fluid, injection of the ... Differences from Conventional Hydrocarbon practices None Many more shale gas wells are required for recovery of a given volume of gas than for recovery of the same volume of gas from conventional...
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