154 search results - page 7 / 31 » Exploiting Similarity of Subqueries for Complex Query Optimi... |
EDBT
2009
ACM
14 years 17 days ago
2009
ACM
Decision Support Systems (DSS) are information systems that support decision making processes. In many scenarios these systems are built on top of data managed by DBMSs and make e...
AI
2010
Springer
13 years 8 months ago
2010
Springer
We consider the problem of finding an unknown graph by using two types of queries with an additive property. Given a graph, an additive query asks the number of edges in a set of ...
EUROCAST
2005
Springer
2005
Springer
Similarity Queries in Data Bases Using Metric Distances - from Modeling Semantics to Its Maintenance
14 years 1 months ago
Similarity queries in traditional databases work directly on attribute values. But, often similar attribute values do not indicate similar meanings. Semantic background information...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
PODS
2001
ACM
14 years 8 months ago
2001
ACM
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...