689 search results - page 21 / 138 » Probabilistic skyline queries |
JDCTA
2010
13 years 2 months ago
2010
In order to solve the low efficiency problem of directly querying single node probability in the set of all ordinary XML data obtained by enumerating possible world set of the cor...
ICDE
2008
IEEE
14 years 2 months ago
2008
IEEE
We formulate three intuitive semantic properties for topk queries in probabilistic databases, and propose GlobalTopk query semantics which satisfies all of them. We provide a dyn...
VLDB
2009
ACM
14 years 7 months ago
2009
ACM
Abstract The top-k dominating query returns k data objects which dominate the highest number of objects in a dataset. This query is an important tool for decision support since it ...
SIGMOD
2010
ACM
14 years 10 days ago
2010
ACM
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
SSDBM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. Real-life spatial objects are usually described by their geographic locations (e.g., longitude and latitude), and multiple quality attributes. Conventionally, spatial dat...