Generalized Search Trees for Database Systems potx

Generalized Search Trees for Database Systems potx

Generalized Search Trees for Database Systems potx

... multidimensional search trees, such as R -trees [Gut84] and their variants: R*- trees [BKSS90] and R+ -trees [SRF87]. Other multidimen- sional search trees include quad -trees [FB74], k-D-B -trees [Rob81], ... extendingsearch tree technology: 1. Specialized Search Trees: A large variety of search trees has been developed to solve specific problems. Among the best known ofth...
Ngày tải lên : 23/03/2014, 12:20
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ON CONSISTENCY CHECKING OF SPATIAL RELATIONSHIPS IN CONTENT-BASED IMAGE DATABASE SYSTEMS potx

ON CONSISTENCY CHECKING OF SPATIAL RELATIONSHIPS IN CONTENT-BASED IMAGE DATABASE SYSTEMS potx

... DATABASE SYSTEMS 365 [4] C. C. Chang and S. Y. Lee, Retrieval of Similar Pictures on Pictorial Databases, Pattern Recognition, 24:7(1991), pp. 675–680. [5] S K. Chang, Pictorial Information Systems, ... Description in Pictorial Database Systems, Communications in Information and Systems, International Press, 1: 2(2001), pp. 225–240. [22] Q L. Zhang and S. S T. Yau, A New Iconic Index...
Ngày tải lên : 07/03/2014, 14:20
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Towards a Thermodynamic Theory for Ecological Systems potx

Towards a Thermodynamic Theory for Ecological Systems potx

... states. Towards a Thermodynamic Theory for Ecological Systems1 6 Towards a Thermodynamic Theory for Ecological Systems 2004 Amsterdam – Boston – Heidelberg – London – New York – Oxford Paris – San Diego – San ... but it is one of the forms of energy. Heat can be transformed into other forms (mechanical energy, chemical, electrical, etc.), and the other forms of energy can be transforme...
Ngày tải lên : 23/03/2014, 01:20
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Column-Oriented Database Systems potx

Column-Oriented Database Systems potx

... come-back for PAX? VLDB 2009 Tutorial Column-Oriented Database Systems 19 “Performance Tradeoffs in Read- Optimized Databases” Harizopoulos, Liang, Abadi, Madden, VLDB’06 “Read-Optimized Databases, ... Column-Oriented Database Systems 18 VLDB 2009 Tutorial Column-Oriented Database Systems 19 Re-use permitted when acknowledging the original © Stavros Harizopoulos, Daniel Abadi,...
Ngày tải lên : 23/03/2014, 16:20
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Progressive Skyline Computation in Database Systems potx

Progressive Skyline Computation in Database Systems potx

... Transactions on Database Systems, Vol. 30, No. 1, March 2005. Progressive Skyline Computation in Database Systems • 55 Fig. 8. Entries of the main-memory R-tree. PROOF. The proof is straightforward since ... number of node accesses performed by BBS is optimal. ACM Transactions on Database Systems, Vol. 30, No. 1, March 2005. Progressive Skyline Computation in Database Systems •...
Ngày tải lên : 23/03/2014, 16:21
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SEARCH ALGORITHMS FOR ENGINEERING OPTIMIZATION potx

SEARCH ALGORITHMS FOR ENGINEERING OPTIMIZATION potx

... therefore be [0, 1]. • For each x ∈ U , the membership function must be unique. That is, the same element can‐ not map to different degrees of membership for the same fuzzy set. Search Algorithm for ... Binomial-Distance Distribution: Search Algorithm for Image Recognition Based on Learning Algorithm for Multivariate Data Analysis http://dx.doi.org/10.5772/ 52179 11 SEARCH ALG...
Ngày tải lên : 29/03/2014, 21:20
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Tài liệu Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases’ doc

Tài liệu Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases’ doc

... H.0 [Information Systems] : General; H.2.0 [Database Management]: General; H.2.1 [Database Management]: Logical Design data models, schema and subs&ma; H.2.4 [Database Management]: Systems; ... data- transforming processor transforms data described using schema B’s description into data described using schema A’s description. To perform these transformations, a transformin...
Ngày tải lên : 20/02/2014, 05:21
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Tài liệu Báo cáo khoa học: "Natural Language for Expert Systems: Comparisons with Database Systems" ppt

Tài liệu Báo cáo khoa học: "Natural Language for Expert Systems: Comparisons with Database Systems" ppt

... Language for Expert Systems: Comparisons with Database Systems Kathleen R. McKeown Department of Computer Science Columbia University New York, N.Y. 10027 1 Introduction Do natural language database ... the database system. We are currently working on natural language for expert systems at Columbia and thus, expert systems provide a natural alternative environment t...
Ngày tải lên : 21/02/2014, 20:20
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Tài liệu Báo cáo khoa học: "Generalized Hebbian Algorithm for Incremental Singular Value Decomposition in Natural Language Processing" potx

Tài liệu Báo cáo khoa học: "Generalized Hebbian Algorithm for Incremental Singular Value Decomposition in Natural Language Processing" potx

... Generalized Hebbian Algorithm for Incremental Singular Value Decomposition in Natural Language Processing Genevieve Gorrell Department of Computer and Information Science Link¨oping ... never cover all the things that might reasonably be said. Language is often too rich for the task being performed; for example it can be difficult to establish that two documents are d iscussing the ......
Ngày tải lên : 22/02/2014, 02:20
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