Báo cáo khoa học: "A Response to the Need for Summary Responses" pdf

Báo cáo khoa học: "A Response to the Need for Summary Responses" pdf

Báo cáo khoa học: "A Response to the Need for Summary Responses" pdf

... component for storing away the results of the preceding database interactions to obviate the need to search the database for every query. The extended knowledge base may be utilized for improved ... relevant information on these changes to the user. McCoy [9] and McKeown [10] attempt to provide answers to questions about the structure of the database rat...
Ngày tải lên : 31/03/2014, 17:20
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Báo cáo khoa học: "A Scalable Probabilistic Classifier for Language Modeling" pdf

Báo cáo khoa học: "A Scalable Probabilistic Classifier for Language Modeling" pdf

... between the VMM, the maximum-entropy classifier and the perceptron. Like the perceptron and in contrast to the maximum-entropy classifier, the VMM directly uses a predictor β  φ(y, x). For the VMM the sufficient ... accuracy. Similarly, the performance of the VMM improves as one moves to higher orders, thereby increasing the amount of contextual information. For or...
Ngày tải lên : 07/03/2014, 22:20
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Báo cáo khoa học: "A Trainable Rule-based Algorithm for Word Segmentation" pdf

Báo cáo khoa học: "A Trainable Rule-based Algorithm for Word Segmentation" pdf

... that the transformation sequences are effectively able to com- pensate (to some extent) for weaknesses in the lexi- con. Table 2 provides a summary of the results using the greedy algorithm for ... information retrieval. Our algorithm learned 5903 transformations from the 2000 sentence training set. The 5903 transfor- mations applied to the test set improved the...
Ngày tải lên : 17/03/2014, 23:20
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Báo cáo khoa học: "A Simple, Similarity-based Model for Selectional Preferences" pdf

Báo cáo khoa học: "A Simple, Similarity-based Model for Selectional Preferences" pdf

... (b) in order to be able to shape the similarity metric by the choice of generalization corpus. For the headword weights wt r p (w), the sim- plest possibility is to assume a uniform weight distribution, ... results. For Jaccard similar- ity, the model had an error rate of 0.1858 for uniform weights, 0.1874 for frequency weight- ing, and 0.1806 for discriminativity....
Ngày tải lên : 23/03/2014, 18:20
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Báo cáo khoa học: "A Logic of Semantic Representations for Shallow Parsing" pdf

Báo cáo khoa học: "A Logic of Semantic Representations for Shallow Parsing" pdf

... mapped to the nodes with the labels fat j 1 and cat n 1; the la- bel is mapped to the conjunction node just above them. In other words, the role of the anchor in an EP is to connect a predicate to ... here to underspec- ify the scope of the two quantifiers. Notice that the labels of the EPs for “fat” and “cat” are stipulated to be equal in (6), whereas the a...
Ngày tải lên : 31/03/2014, 20:20
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Báo cáo khoa học: A region within the C-terminal domain of Ure2p is shown to interact with the molecular chaperone Ssa1p by the use of cross-linkers and mass spectrometry doc

Báo cáo khoa học: A region within the C-terminal domain of Ure2p is shown to interact with the molecular chaperone Ssa1p by the use of cross-linkers and mass spectrometry doc

... [25–28]. The results, together with those previously obtained by HXMS [33], further narrow the region critical either for modulating Ure2p assembly into fibrils, or for the establishment of intermolecular ... Ssa1p binds a hexameric form of Ure2p in the presence of ATP, whereas the form that is bound in the presence of ADP is different, and probably dimeric [6]. We there- fore...
Ngày tải lên : 15/03/2014, 00:20
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Báo cáo khoa học: Cellular response to unfolded proteins in the endoplasmic reticulum of plants pptx

Báo cáo khoa học: Cellular response to unfolded proteins in the endoplasmic reticulum of plants pptx

... provide valuable tools for fur- ther study of the plant UPR. Acknowledgements The author thanks Dr Makoto Kito, Emeritus Profes- sor of Kyoto University, for critical reading of the manuscript, ... home- ostasis. Therefore, the presence of mutated proteins that are unable to fold into their native conformation in the ER induces the UPR in an effort to restabilize the ER...
Ngày tải lên : 16/03/2014, 11:20
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Báo cáo khoa học: A guide to taming a toxin – recombinant immunotoxins constructed from Pseudomonas exotoxin A for the treatment of cancer ppt

Báo cáo khoa học: A guide to taming a toxin – recombinant immunotoxins constructed from Pseudomonas exotoxin A for the treatment of cancer ppt

... epidermal-growth-factor-like growth factor [4] to the IL-2 receptor, redirecting its potent cytotoxi- city toward a therapeutic purpose [5,6]. A comparable strategy to alter the target of an intra- cellular toxin ... in PE intoxication comes from the pathways of other protein toxins. The protein toxins ricin and cholera toxin (CT) both follow routes through the ER and into the...
Ngày tải lên : 22/03/2014, 15:21
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Báo cáo khoa học: A dimer of the FeS cluster biosynthesis protein IscA from cyanobacteria binds a [2Fe2S] cluster between two protomers and transfers it to [2Fe2S] and [4Fe4S] apo proteins ppt

Báo cáo khoa học: A dimer of the FeS cluster biosynthesis protein IscA from cyanobacteria binds a [2Fe2S] cluster between two protomers and transfers it to [2Fe2S] and [4Fe4S] apo proteins ppt

... similarity to IscS, one to the C-terminal domain of IscU and two to IscA [16,17]. Because of the lack of operon organization the assignment of other genes to FeS cluster biosynthesis is difficult. There ... either the FeS cluster was less stable or the assembly of the cluster at C44A was impaired. However, in the presence of oxygen the cluster was found to have the...
Ngày tải lên : 31/03/2014, 01:20
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Báo cáo khoa học: "A CONSIDERATION ON THE CONCEPTS STRUCTURE AND LANGUAGE IN RELATION TO SELECTIONS OF TRANSLATION EQUIVALENTS OF VERBS IN MACHINE TRANSLATION SYSTEMS" doc

Báo cáo khoa học: "A CONSIDERATION ON THE CONCEPTS STRUCTURE AND LANGUAGE IN RELATION TO SELECTIONS OF TRANSLATION EQUIVALENTS OF VERBS IN MACHINE TRANSLATION SYSTEMS" doc

... that the more the noun's relation to human becomes closer and the more the level of abstract of the noun becomes lower the numbers of verbs that are closely related to them ~id therefore ... have to associate to them (nouns) become large. And that the numbers of associated ideoms or ideom like parases become large, Therefore, the division of categories must...
Ngày tải lên : 31/03/2014, 17:20
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