685 search results - page 39 / 137 » Efficient Filtering Query Indexing in Data Stream |
SIGMOD
1994
ACM
14 years 27 days ago
1994
ACM
We present a framework which allows the user to access and manipulate data uniformly, regardless of whether it resides in a database or in the file system (or in both). A key issu...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We hav...
VLDB
2004
ACM
14 years 9 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
DEXA
2004
Springer
14 years 2 months ago
2004
Springer
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Increasing popularity of XML in recent years has generated much interest in query processing over graph-structured data. To support efficient evaluation of path expressions, many ...