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ICDE
2007
IEEE
134views Database» more  ICDE 2007»
14 years 10 months ago
Graph Database Indexing Using Structured Graph Decomposition
We introduce a novel method of indexing graph databases in order to facilitate subgraph isomorphism and similarity queries. The index is comprised of two major data structures. Th...
David W. Williams, Jun Huan, Wei Wang 0010
WWW
2006
ACM
14 years 10 months ago
Selective hypertext induced topic search
We address the problem of answering broad-topic queries on the World Wide Web. We present a link based analysis algorithm SelHITS, which is an improvement over Kleinberg's HI...
Amit C. Awekar, Pabitra Mitra, Jaewoo Kang
WWW
2003
ACM
14 years 10 months ago
On labeling schemes for the semantic web
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
Vassilis Christophides, Dimitris Plexousakis, Mich...
VLDB
2005
ACM
177views Database» more  VLDB 2005»
14 years 9 months ago
Indexing mobile objects using dual transformations
With the recent advances in wireless networks, embedded systems and GPS technology, databases that manage the location of moving objects have received increased interest. In this ...
George Kollios, Dimitris Papadopoulos, Dimitrios G...
SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
14 years 9 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang