191 search results - page 11 / 39 » Online Aggregation over Trees |
DEXAW
2004
IEEE
13 years 11 months ago
2004
IEEE
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
SODA
1990
ACM
13 years 8 months ago
1990
ACM
A new and conceptually simple data structure, called a suffix array, for on-line string searches is introduced in this paper. Constructing and querying suffix arrays is reduced to...
COMPGEOM
1992
ACM
13 years 11 months ago
1992
ACM
Suppose we are given a sequence of n points in the Euclidean plane, and our objective is to construct, on-line, a connected graph that connects all of them, trying to minimize the...
DEBU
2002
13 years 7 months ago
2002
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...