288 search results - page 3 / 58 » Partial results for online query processing |
CIKM
2007
Springer
14 years 26 days ago
2007
Springer
XML query languages typically allow the specification of structural patterns of elements. Finding the occurrences of such patterns in an XML tree is the key operation in XML quer...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
Retrieval in a multimedia database usually involves combining information from different modalities of data, such as text and images. However, all modalities of the data may not b...
WWW
2009
ACM
14 years 7 months ago
2009
ACM
Sponsored search systems are tasked with matching queries to relevant advertisements. The current state-of-the-art matching algorithms expand the user's query using a variety...
ECML
2005
Springer
14 years 7 days ago
2005
Springer
This paper examines the problem of finding an optimal policy for a Partially Observable Markov Decision Process (POMDP) when the model is not known or is only poorly specified. W...