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CCGRID
2009
IEEE
13 years 11 months ago
Hierarchical Caches for Grid Workflows
From personal software to advanced systems, caching mechanisms have steadfastly been a ubiquitous means for reducing workloads. It is no surprise, then, that under the grid and clu...
David Chiu, Gagan Agrawal
ICDE
2004
IEEE
90views Database» more  ICDE 2004»
14 years 9 months ago
Multiresolution Indexing of XML for Frequent Queries
XML and other types of semi-structured data are typically represented by a labeled directed graph. To speed up path expression queries over the graph, a variety of structural inde...
Hao He, Jun Yang 0001
DATESO
2004
84views Database» more  DATESO 2004»
13 years 9 months ago
Query Expansion and Evolution of Topic in Information Retrieval Systems
Approach based on clustering will be described in our paper. Basic version of our system was given in [5] allows us to expand query through special index. Hierarchical agglomerativ...
Jiri Dvorský, Jan Martinovic, Václav...
ECIR
2003
Springer
13 years 9 months ago
A Weighting Scheme for Star-Graphs
We present in this paper a relational approach for indexing and retrieving photographs from a collection. Instead of using simple keywords as an indexing language, we propose to u...
Jean Martinet, Iadh Ounis, Yves Chiaramella, Phili...
VLDB
2002
ACM
116views Database» more  VLDB 2002»
13 years 7 months ago
Updates for Structure Indexes
The problem of indexing path queries in semistructured/XML databases has received considerable attention recently, and several proposals have advocated the use of structure indexe...
Raghav Kaushik, Philip Bohannon, Jeffrey F. Naught...