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DEXA
2008
Springer
13 years 10 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
ECIR
2006
Springer
13 years 10 months ago
2006
Springer
In-place and merge-based index maintenance are the two main competing strategies for on-line index construction in dynamic information retrieval systems based on inverted lists. Mo...
ENTCS
2008
13 years 9 months ago
2008
Integrated Development Environments supporting software and model evolution have to deal with the problem of maintaining coherence between code and model despite changes which may...
JUCS
2006
13 years 8 months ago
2006
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
TKDE
1998
13 years 8 months ago
1998
—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...