the role of natural language processing in information retrieval

Ngày tải lên: 02/06/2014, 09:22

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 20/06/2014, 04:20

Ngày tải lên: 20/02/2014, 18:20

Ngày tải lên: 20/06/2014, 01:20

Ngày tải lên: 02/11/2014, 00:47

... University Regional Learning Alliance – workforce development and training/collaborations with business and industry; meeting the training and education needs of businesses within 60 mile radius in Northern Allegheny ... University Small Business Initiative in the Frehn Center for Management; offering information and assistance to individuals and groups planning to start a new business Indirect Contributions ... $28,000 in average annual salary) Preserving Value Continuing education is important to preserving the market value of specialized education – particularly in professional fields Continuing education...

Ngày tải lên: 21/02/2014, 01:20

... designed on the basis of side-chain packing criteria from a modelled structure of the enzyme resulted in restor- ation of the energy of activation to the levels of the native enzyme and in an increased ... flexibility limits the exploitation of the full potential of protein engineering in the redesign of psychro- philic enzyme properties [15]. In particular, the effects of local flexibility in psychrophilic ... respectively. By introducing an Ala residue in the place of Gly it is expected that the conformational flexibility of the main chain can be constrained with a minimum perturba- tion of the local structure,...

Ngày tải lên: 22/02/2014, 04:20

... antigen in itself [7,20]. At least for these antibodies, the role of the V L domain might be to increase the affinity by supporting the V H domain. The phenomenon may also be observed in the chain ... Although the Fv was designed based on HyHEL-10, it is not clear whether or not H39 is dominantly tuning the V H ⁄ V L interaction of other Fvs, including HyHEL-10. In addition, the effect of the H39 ... clarify the effect of the interface mutations on the antigen- binding affinity. To investigate systematically this unsought relationship between the antigen-binding affinity of Fv and the V H ⁄ V L interaction...

Ngày tải lên: 07/03/2014, 12:20

... some preliminary results of an investigation in course on the typology of the morphol- ogy of the native South American lan- guages from the point of view of the for- mal language theory. With ... the natural for de- scribing the morphology of one particular lan- guage. On the other hand, the criteria of classi- fication of Amerindian languages, do not involve complexity criteria. In order ... have some value in language classification and the mod- eling of the great diversity of South American lan- guages morphology can allow to obtain a formal concept of natural description of a language. . References Lelia...

Ngày tải lên: 07/03/2014, 22:20

... example, in the case of question Q209: “Who invented the paper clip ?”, the expected answer type is PERSON and so is the subject of the verb invented , lexicalized as the nominalization inventor. ... 150–157, Seattle, Washington, 2000. Rohini Srihari and W. Li. A question answering system supported by information extraction. In Proceedings of the 6th Applied Natural Language Processing Conference (ANLP-2000), ... mountain; (b) lava IS-PART of vol- cano, and moreover it is a part coming from the inside; and (c) fragments of lava have all the prop- erties of lava, the following question semantic The Role of...

Ngày tải lên: 08/03/2014, 05:20

... their brand attitude, may suggest an interesting implication for the new brand advertising strategy. Instead of focusing on the content of the message which only emphasizes the benefits of ... gift giving is instrumental in maintaining social ties and serves as a mean of symbolic communication in social relationship. Most of the researches before and after the appearance of Sherry’s ... described in details the stages of the whole gift- exchange processes, researchers have examined the influence of many variables within these stages. This model divides gifting activities into...

Ngày tải lên: 14/03/2014, 14:20

... school. Conley (2001) finds that a doubling of net worth results in an 8.3% increase in the probability of attending college. Further, when net worth is included in the model, Black youth are ... youth. Youth savings. Youth were asked in 2002 whether they had a savings or bank account in their name. If they had an account, they were also asked whether they were saving some of this money ... ―very concerned‖ about the cost of college, compared to 19% of high-income parents. Further, they find that 71% of low-income youth say they are very concerned about the cost of college (ACSFA,...

Ngày tải lên: 15/03/2014, 10:20

... that the increase of Glc6P in the presence of S4048 was caused by the inhibition of Glc6P hydro- lysis in the absence of detectable changes in glucose phosphorylation. S4048 causes inactivation of ... glu- cokinase and hexokinase I in distinct pools [3,24], or by the involvement of mechanisms, additional to Glc6P, in mediating the effects of glucokinase over- expression. As glucokinase binds ... control of glycolysis and glycogen synthesis by glucokinase overexpres- sion. The validity of S4048 for testing the role of Glc6P was supported by its lack of effect on glucokinase binding and...

Ngày tải lên: 16/03/2014, 14:20

... documents and find that the fea- ture vectors corresponding to some of these docu- ments (particularly the short ones) have all zeroes in them. In other words, none of the bigrams from the training set ... cap- turing two different situations, one in which the author himself likes the movie, and in the other, the author’s cousin likes the movie. The over- generalization resulting from these “stemmed” ... 2003. Sentiment analyzer: Extracting sentiments about a given topic using natural language processing techniques. In Proc. of the IEEE International Conference on Data Min- ing (ICDM). H. Yu and V. Hatzivassiloglou....

Ngày tải lên: 17/03/2014, 04:20

... tight binding affinity was demonstrated towards lauric acid, resulting in the synthesis of mainly x-1 hydroxylated lauric acid, suggesting a role in the lipid oxidative metabolism. Interestingly, the ... occurring in the soil. Furthermore, branched chain fatty acids make up 80% of the fatty acid content of the Bacillus sp. mem- branes and when the hydroxylation of these substrates was studied in ... enzymes. The FUM6 protein (CYP505B1) inter- venes in one of the first steps in fumonisin synthesis by hydroxylation of the polyketide-amino acid at C-14 and C-15 (Fig. 3). Fum6 deletion mutants of F....

Ngày tải lên: 22/03/2014, 16:21

... the transaction from the vantage point of firm A, the floating- rate payer. The cost of synthetic floating-rate financing is determined by the cost of servicing fixed-rate debt plus the net cost of ... to the desire on the part of firms to hedge cash flows against the effects of interest rate volatility. The timing of the appearance of interest rate swaps, coming as it did during a pe- riod of ... argue, trading in interest rate swaps has helped to complete forward markets and to lower the cost to firms of managing their exposure to interest rate risk. The Role for Hedging in the Theory of Corporate...

Ngày tải lên: 22/03/2014, 17:20

... rapidly, causing the unfolding of one of the I27 modules in the chain. Unfolding then extends the over- all length of the protein, relaxing the pulling force to a low value. As the slack in the length ... stretching a polyprotein re- sults in a well-defined series of step increases in length, mark- ing the unfolding and extension of the individual modules in the chain. [37] The size of the observed steps ... b-strands of the I27 protein during the main unfold- ing barrier. [39] To further validate this view and gain insight into the role of solvent hydrogen bonds in protein unfolding, we repeated these...

Ngày tải lên: 22/03/2014, 18:20

... maintained in multiple accounts within the organisation. The organisation is in some sense wasting resources and duplicating efforts in maintaining separate profiles with (mostly) the same information. ... benefits of its use, including across domains to deliver joined-up services over the Internet. The scope of the Primer is limited to the management of the digital identities of individuals, or natural ... managing and protecting digital identities, with a view to strengthening confidence in the online activities crucial to the growth of the Internet Economy. The primer is a product of the Working...

Ngày tải lên: 23/03/2014, 23:21

... pointing devices allow the rapid display of large quantities of information and the maintenance of several independent communication channels for both output (division ol the screen into independent ... Ior this information in a typed request, at which point the system would set up a new window, make it the focused window, and display the requested information in it. At this point, the user ... Current natural language interfaces have concentrated largely on determining the literal "meaning" of input from their users. While such decoding is an essential underpinning, much...

Ngày tải lên: 24/03/2014, 01:21