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JCST
2007
151views more  JCST 2007»
14 years 9 months ago
Indexing Future Trajectories of Moving Objects in a Constrained Network
Abstract Advances in wireless sensor networks and positioning technologies enable new applications monitoring moving objects. Some of these applications, such as traffic managemen...
Ji-Dong Chen, Xiao-Feng Meng
ACL
1998
14 years 11 months ago
Improving Automatic Indexing through Concept Combination and Term Enrichment
Although indexes may overlap, the output of an automatic indexer is generally presented as a fiat and unstructured list of terms. Our purpose is to exploit term overlap and embedd...
Christian Jacquemin
VLDB
2010
ACM
190views Database» more  VLDB 2010»
14 years 8 months ago
Continuous authentication on relational streams
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
Stavros Papadopoulos, Yin Yang, Dimitris Papadias
SPIRE
2009
Springer
15 years 4 months ago
Indexing Variable Length Substrings for Exact and Approximate Matching
We introduce two new index structures based on the q-gram index. The new structures index substrings of variable length instead of q-grams of fixed length. For both of the new ind...
Gonzalo Navarro, Leena Salmela
TKDE
1998
126views more  TKDE 1998»
14 years 9 months ago
Dictionary: A New Access Method for Query Processing in Object-Oriented Databases
—We present a new access method, called the path dictionary index (PDI) method, for supporting nested queries on object-oriented databases. PDI supports object traversal and asso...
Wang-Chien Lee, Dik Lun Lee