950 search results - page 23 / 190 » Evaluation over thousands of queries |
CDB
2004
Springer
14 years 22 days ago
2004
Springer
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...
SAC
2006
ACM
14 years 2 months ago
2006
ACM
Structured data and complex schemas are becoming the main way to represent the information many Digital Libraries provide, thus impacting the services they offer. When searching i...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
We introduce a novel query type defined over streaming moving object data, namely, the Continuous Motion Pattern (CMP) Queries. A motion pattern is defined as a sequence of distin...
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...