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JCST
2007
151views more  JCST 2007»
15 years 1 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
107
Voted
ACL
1998
15 years 3 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
141
Voted
VLDB
2010
ACM
190views Database» more  VLDB 2010»
15 years 6 days 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 8 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»
15 years 1 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