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VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 11 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
HT
1998
ACM
15 years 11 months ago
From Latent Semantics to Spatial Hypertext - An Integrated Approach
In this paper, we introduce an integrated approach to the development of spatial hypertext. This approach brings together several theories and techniques concerning semantic struc...
Chaomei Chen, Mary Czerwinski
SIGMOD
1997
ACM
146views Database» more  SIGMOD 1997»
15 years 11 months ago
Concurrency and Recovery in Generalized Search Trees
This paper presents general algorithms for concurrency control in tree-based access methods as well as a recovery protocol and a mechanism for ensuring repeatable read. The algori...
Marcel Kornacker, C. Mohan, Joseph M. Hellerstein
CIKM
2008
Springer
15 years 8 months ago
Mapping enterprise entities to text segments
Today, valuable business information is increasingly stored as unstructured data (documents, emails, etc.). For example, documents exchanged between business partners capture info...
Falk Brauer, Alexander Löser, Hong-Hai Do
SPIRE
2010
Springer
15 years 5 months ago
Succinct Representations of Dynamic Strings
The rank and select operations over a string of length n from an alphabet of size σ have been used widely in the design of succinct data structures. In many applications, the stri...
Meng He, J. Ian Munro