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CIKM
2005
Springer
14 years 3 months ago
Indexing time vs. query time: trade-offs in dynamic information retrieval systems
We examine issues in the design of fully dynamic information retrieval systems with support for instantaneous document insertions and deletions. We present one such system and dis...
Stefan Büttcher, Charles L. A. Clarke
SSD
2005
Springer
116views Database» more  SSD 2005»
14 years 3 months ago
PA-Tree: A Parametric Indexing Scheme for Spatio-temporal Trajectories
Abstract. Many new applications involving moving objects require the collection and querying of trajectory data, so efficient indexing methods are needed to support complex spatio...
Jinfeng Ni, Chinya V. Ravishankar
DEXA
2003
Springer
95views Database» more  DEXA 2003»
14 years 3 months ago
XML and Knowledge Technologies for Semantic-Based Indexing of Paper Documents
Effective daily processing of large amounts of paper documents in office environments requires the application of semantic-based indexing techniques during the transformation of pa...
Donato Malerba, Michelangelo Ceci, Margherita Bera...
CIKM
2009
Springer
14 years 2 months ago
Scalable indexing of RDF graphs for efficient join processing
Current approaches to RDF graph indexing suffer from weak data locality, i.e., information regarding a piece of data appears in multiple locations, spanning multiple data structur...
George H. L. Fletcher, Peter W. Beck
IFIPTCS
2000
14 years 1 months ago
An Index for Two Dimensional String Matching Allowing Rotations
We present an index to search a two-dimensional pattern of size m m in a two-dimensional text of size n n, even when the pattern appears rotated in the text. The index is based on ...
Kimmo Fredriksson, Gonzalo Navarro, Esko Ukkonen