685 search results - page 38 / 137 » Efficient Filtering Query Indexing in Data Stream |
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
DEXA
2009
Springer
14 years 3 months ago
2009
Springer
Metric access methods (MAMs) serve as a tool for speeding similarity queries. However, all MAMs developed so far are index-based; they need to build an index on a given database. T...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
ct In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering usi...
DEBS
2008
ACM
13 years 10 months ago
2008
ACM
We introduce a new type of query, called a real-time continuous query (RCQ), that captures the real-time requirements of processing data streams. We develop techniques to efficien...