350 search results - page 62 / 70 » An optimization framework for map-reduce queries |
136
click to vote
ICCS
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
123
click to vote
DOCENG
2006
ACM
15 years 6 months ago
2006
ACM
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...
135
click to vote
CIDR
2009
15 years 1 months ago
2009
High-volume, high-speed data streams may overwhelm the capabilities of stream processing systems; techniques such as data prioritization, avoidance of unnecessary processing and o...
104
click to vote
CIKM
2010
Springer
14 years 11 months ago
2010
Springer
Term-weighting functions derived from various models of retrieval aim to model human notions of relevance more accurately. However, there is a lack of analysis of the sources of e...
137
click to vote
SIGIR
2008
ACM
15 years 14 days ago
2008
ACM
We study in this paper the problem of bridging the semantic gap between low-level image features and high-level semantic concepts, which is the key hindrance in content-based imag...