491 search results - page 23 / 99 » Optimizing complex queries with multiple relation instances |
COR
2008
13 years 7 months ago
2008
: The paper presents results on the runtime complexity of two ant colony optimization (ACO) algorithms: Ant System, the oldest ACO variant, and GBAS, the first ACO variant for whic...
NIPS
2008
13 years 9 months ago
2008
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
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...
BPM
2009
Springer
13 years 8 months ago
2009
Springer
Abstract. Continuous optimization of business process execution including its adaptation to changes within the market environment or the company itself becomes increasingly importa...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...