Efficient processing of KNN and skyjoin queries

... 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

... 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

... 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

... 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

... 093 3-0 33X ISBN 97 8-3 -6 4 2-0 068 2-1 e-ISBN 97 8-3 -6 4 2-0 068 3-8 DOI 10.1007/97 8-3 -6 4 2-0 068 3-8 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2009929025 c Springer-Verlag ... http://www.springer.com/series/856 Roman Louban Image Processing of Edge and Surface Defects Theoretical Basis of Adaptive Algo...

Ngày tải lên: 05/06/2014, 12:05

... Efficient integration of secure and safety critical industrial wireless sensor networks EURASIP Journal on Wireless Communications and Networking 2011 2011:100 Submit your manuscript to a journal and ... using existing automation equipment and standards, addressing safety and security, using Profinet IO, Profisafe, and WirelessHART In order to retrofit securi...

Ngày tải lên: 20/06/2014, 22:20

... knowledge in the field of analysis and signal processing of oesophageal and pathological voices From these papers, we hope that the interested reader will find useful suggestions and further stimulation ... speech processing and applications on oesophageal and pathological voices EURASIP Journal on Advances in Signal Processing The articles in this special issu...

Ngày tải lên: 21/06/2014, 20:20

Ngày tải lên: 13/11/2014, 10:25

... Formulation: Proofs of Retrievability Proofs of storage requires to periodically, remotely and reliably verify the integrity of data stored in a cloud storage, without retrieving the data file Proofs of ... of proofs of storage scheme proposed in Chapter POS3 The name of proofs of storage scheme proposed in Chapter S1.KeyGen The key generating algorit...

Ngày tải lên: 09/09/2015, 18:58

... 837.2265 12 2.2908 1. 6245 12 2.23 81 938.4743 17 4.7545 −0.0 318 ⎥ ⎥ −0.2 013 ⎥ ⎥ −0.9993 16 4.6 412 558.5089 14 .6500 ⎥ ⎥ 0.03 71 [G] = ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎣ −0 .14 96 14 .6574 512 .9538 ⎥ ⎥ ⎦ ⎡ ⎤ ⎢ 15 .6558 ... modeling approach for advanced electronic packages 12 2 .1 A schematic of multilayered microprocessor package 16 2.2 A schematic of top-level metal for signal ....

Ngày tải lên: 14/09/2015, 14:12

... ⎢ H (2) (·) ⎢ ⎢ ⎢ ⎢ H (2) (·) ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ (2) ⎢H ⎢ 2N −1 (·) ⎣ (2) H2N (·) (2) −H1 (·) (2) H2 (·) ··· (2) H0 (·) (2) −H1 (·) (2) H2 (·) (2) (2) ··· H1 (·) H2 (·) (2) (2) H2N (·) ... H2N (·) (2) H2 (·) (2) −H1 (·) (2) H2 (·) ⎤ ⎥ ⎥ (2) −H2N −1(·) ⎥ ⎥ ··· (2) ··· H2N −1(·) (2) −H2N −1(·) 61 (2) H1 (·) ⎥ ⎥ ⎥ ⎥ ⎥(3.99) ⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎦ H0 (·) with the argument (·) for the Hankel ... results and m...

Ngày tải lên: 14/09/2015, 14:12

... functions as being those of PPWG-III to Chapter Modeling for Multilayered Power- Ground Planes 99 enforcing Ez and Hz , and those of PPWG-I and II to enforcing Eφ and Hφ By III performing the testing ... coefficients for scattered fields are put to the L.H.S of (4.55) and all the remaining terms to the R.H.S: M3 M1 p=0 m=0 M3 M2 p=0 m=0 M3 M1 p=0 m=0 M3 M2 be,II m p=0 m=0...

Ngày tải lên: 14/09/2015, 14:12

... m t T t 0 ⎥ Tt ⎦ (5.53) ⎤ ⎥ Tt ⎦ (5. 54) Chapter Hybrid Modeling of Signal Traces in Power Distribution Network 5 .4 147 Modeling of Entire Signal Traces in Power Distribution Network As we discussed ... effects between them and the traces The dielectric material for all substrates is FR4 with a dielectric constant of 4. 4 and loss Chapter Hybrid Modeling of Sign...

Ngày tải lên: 14/09/2015, 14:12

... 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

... 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