1235 search results - page 187 / 247 » Updating a cracked database |
PODS
2003
ACM
15 years 9 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
PODS
2004
ACM
15 years 9 months ago
2004
ACM
Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
EDBT
2002
ACM
15 years 9 months ago
2002
ACM
Managing multiple versions of XML documents represents a critical requirement for many applications. Also, there has been much recent interest in supporting complex queries on XML ...
EDBT
2004
ACM
15 years 9 months ago
2004
ACM
Efficient search for nearest neighbors (NN) is a fundamental problem arising in a large variety of applications of vast practical interest. In this paper we propose a novel techniq...