6799 search results - page 1293 / 1360 » The Tao of Modeling Spaces |
218
click to vote
SIGMOD
2006
ACM
16 years 1 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
116
click to vote
SIGMOD
2004
ACM
16 years 1 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
181
click to vote
PODS
2001
ACM
16 years 1 months ago
2001
ACM
The dimensionality curse has profound e ects on the effectiveness of high-dimensional similarity indexing from the performance perspective. One of the well known techniques for im...
119
click to vote
PODS
2002
ACM
16 years 1 months ago
2002
ACM
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
155
click to vote
PODS
2002
ACM
16 years 1 months ago
2002
ACM
We consider the fundamental operation of applying a conjunction of selection conditions to a set of records. With large main memories available cheaply, systems may choose to keep...