Efficient processing of multiple XML twig queries

... problem of efficient processing for multiple XML twig queries processing We propose a new structure to present multiple twig patterns We also design a novel algorithm to process multiple twig queries ... index XML documents and match XML twig queries and how to find whether multiple XML twig patterns occur in an XML document, but no research has focus...

Ngày tải lên: 05/10/2015, 19:02

... EFFICIENT PROCESSING OF KNN AND SKYJOIN QUERIES HU JING (B.Sc.(Hons.) NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF COMPUTER SCIENCE NATIONAL UNIVERSITY OF SINGAPORE ... high-dimensional KNN searching and skyline query processing Chapter introduces and discusses our first approach to KNN searching, the Diagonal Ordering, and Chapte...

Ngày tải lên: 05/10/2015, 19:02

... and query processing and no use of DTDs or XML Schema 2.2 XML Twig Pattern Matching Algorithms Since XML twig pattern matching is widely considered as a core operation in XML queries processing, ... holistic XML twig pattern processing, including the reduction of intermediate results for twig queries with P-C relationships, the efficient processing of...

Ngày tải lên: 30/09/2015, 06:40

... to any level of complexity, and the provision of Document Type Declaration (DTD)[8] and XML Schema[11] for constraining the structure and data values of a class of XML documents XML has reduced ... map XML document into relational database will be reviewed in Section 2.1 Background information of XML element labeling schemes, which is considered as one of the foundatio...

Ngày tải lên: 15/09/2015, 17:10

... makes efficient processing of flexible categorial grammar problematic, since quite often there is an exponential growth of the number of possible derivations, relative to the length of the string ... Efficient Processing of Combinatory Categorial Grammars Proceedings of the 25th Annual Meeting of the Association for Computational Linguistics, Stanford University, 73-80...

Ngày tải lên: 24/03/2014, 05:21

... This thesis examines general form keyword search queries in XML data The keyword search for XML documents are important as XML has become the standard for representing web data Existing approaches ... is the original motivation of our work that we intend to develop an efficient approach of processing AND- OR keyword search queries in general form, i.e an...

Ngày tải lên: 05/10/2015, 19:02

... Figure 1.3 shows the twig query pattern Car // cc 2.2L Node of XML Tree Make toyota Value of the parent Node Figure 1.3: Example of a Twig query Twig queries [9] (tree pattern queries) have been ... types of updates can occur in any XML database Deletion of an entire subtree of N Deletion of a partial(intermediate) subtree of N 29 Insert of subtree at a leaf node or...

Ngày tải lên: 09/10/2015, 11:24

... Development of our discourse processor was based on a corpus of 20 spontaneous Spanish scheduling dialogues containing a total of 630 sentences These dialogues were transcribed and then parsed with ... separate evaluation with the same set of dialogues, performance in terms of attaching the current chain of inference to the correct place in the plan tree for the purpose...

Ngày tải lên: 08/03/2014, 07:20

... score of each combination The method aims to enforce the pitch continuity in time For this, the fundamental frequencies of each combination C are mapped into music pitches, obtaining a pitch combination ... learning √ √ √ √ Unsupervised learning Unsupervised learning √ √ Joint estimation √ Joint estimation + f0 tracking √ Signal processing √ [55] Signal processing The pr...

Ngày tải lên: 21/06/2014, 17:20

... understanding of how they enhance the understanding of face models Specifically, the goal of achieving a comprehensive understanding of adaption in face modeling requires the following priorities in research: ... interacting effect of facial animation parameters, the effect of adapted shape deformation for facial expression synthesis, with emphasis on the interaction between...

Ngày tải lên: 22/06/2014, 23:20

... explicitly as the form of a standard mathematical programming problems, even in the case of linear multiple objective programming problem when the component functions f1 , , f k of f are linear and ... “Branch-and-bound variant of an outcome-based algorithm for optimizing over the efficient set of a bicriteria linear programming problem , J Optim Theory Ap...

Ngày tải lên: 23/04/2015, 10:02

... Sheng Chang, Sun Jie, Wang Xiaoli, Wu Huayu, Wu Ji, Wu Jun, Wu Sai, Wu Wei, Yang Fei, Xiang Shili, Xu Liang, Xue Mingqiang, Ying Shanshan, Zhang Dongxiang, Zhang Jingbo, Zhang Meihui and Zhang Zhenjie ... novel query ranking model to quantify the confidence of a refined query (RQ) candidate, which can capture the morphological/semantical similarity between Q and RQ and the dependency of...

Ngày tải lên: 10/09/2015, 15:52

... 20 Human Motion Sequences 20 2.1.1 Feature extraction of human motion sequences 21 2.1.2 Matching human motion sequences 21 Distance Measures of Time ... the problems of efficient and effective query processing of complex spatio-temporal sequences Our solutions on subsequence matching and subsequence join techniques over human motion sequences can ......

Ngày tải lên: 14/09/2015, 14:05

... help in making meaning 1.3 Application of prospect theory in Multiple Borrowing in Microfinance Industry The value of prospect theory in the understanding of individual decision-making process ... analysis of lenders’ decision making process which may induce them to resort to multiple borrowing 1.2 PROSPECT THEORY Developed by Kahneman & Tversky (1979), Prospec...

Ngày tải lên: 06/09/2013, 05:49

... systematic pricing errors, namely underpricing of short-term deep OTM options, overpricing of long-term deep OTM options, and underpricing of deep ITM options This is consistent with our diagnostics of ... risk) with stochastic interest rates; (ii) the SV model of stock returns with non -stochastic risk-free interest rates; (iii) the stochastic interest...

Ngày tải lên: 21/12/2013, 01:20