529 search results - page 46 / 106 » A User-Centered Approach for Evaluating Query Expansion Meth... |
RIAO
2007
13 years 10 months ago
2007
As opposed to traditional Information Retrieval (IR) which views whole documents as atomic units of retrieval, XML IR processes XML elements as possible units of retrieval. Many o...
JSS
2008
13 years 8 months ago
2008
Many state-of-the-art selectivity estimation methods use query feedback to maintain histogram buckets, thereby using the limited memory efficiently. However, they are "reacti...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Debugging is an important prerequisite for the wide-spread application of ontologies, especially in areas that rely upon everyday users to create and maintain knowledge b...
SAC
2011
ACM
12 years 11 months ago
2011
ACM
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...