140 search results - page 16 / 28 » Continuous Constraint Query Evaluation for Spatiotemporal St... |
SSD
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. Massive data streams of positional updates become increasingly difficult to manage under limited memory resources, especially in terms of providing near real-time respons...
PODS
2004
ACM
14 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...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
Partitioned query processing is an effective method to process continuous queries with large stateful operators in a distributed systems. This method typically partitions input da...
SIGMOD
2006
ACM
14 years 9 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...