199 search results - page 21 / 40 » Join queries on uncertain data: Semantics and efficient proc... |
WAIM
2010
Springer
14 years 7 months ago
2010
Springer
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
76
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DEXA
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
Abstract-- A large amount of the world's data is both sequential and imprecise. Such data is commonly modeled as Markovian streams; examples include words/sentences inferred f...
155
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
ASWC
2008
Springer
14 years 11 months ago
2008
Springer
Abstract. Nowadays, the demand on querying and searching the Semantic Web is increasing. Some systems have adopted IR (Information Retrieval) approaches to index and search the Sem...