5692 search results - page 354 / 1139 » Challenges and Unsolved Problems |
143
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VLDB
1997
ACM
15 years 11 months ago
1997
ACM
Many sources on the Internet and elsewhere rank the objects in query results according to how well these objects match the original query. For example, a real-estate agent might r...
237
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VLDB
1997
ACM
15 years 11 months ago
1997
ACM
Spatial data mining, i.e., discovery of interesting characteristics and patterns that may implicitly exist in spatial databases, is a challenging task due to the huge amounts of s...
168
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CONTEXT
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. A key challenge in information retrieval is the use of contextual evidence within ad-hoc retrieval. Our contribution is particularly based on the belief that contextual r...
207
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ICDCS
2010
IEEE
15 years 10 months ago
2010
IEEE
Abstract—The distributed nature and large scale of MapReduce programs and systems poses two challenges in using existing profiling and debugging tools to understand MapReduce pr...
188
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EUROMICRO
2007
IEEE
15 years 10 months ago
2007
IEEE
In component-based hardware/software co-verification, properties of an embedded system are established from properties of its hardware and software components. A major challenge i...