133 search results - page 2 / 27 » Efficient multi-step query processing for EMD-based similari... |
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
PVLDB
2008
13 years 4 months ago
2008
We study the efficient evaluation of top-k queries over data items, where the score of each item is dynamically computed by applying an item-specific function whose parameter valu...
EDBT
2009
ACM
13 years 3 months ago
2009
ACM
Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a di...
DAGSTUHL
2006
13 years 6 months ago
2006
Abstract. Similarity search in large multimedia databases requires efficient query processing based on suitable similarity models. Similarity models consist of a feature extraction...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
In a current project, customers are attracted by a video streaming application. A video camera records people passing by, and a monitor shows an alienated version of the setting a...