3251 search results - page 357 / 651 » Challenges in Web Information Retrieval |
267
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
138
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KRDB
1998
15 years 5 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
124
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EKAW
2006
Springer
15 years 8 months ago
2006
Springer
Robust mechanisms for ontology selection are crucial for the evolving Semantic Web characterized by rapidly increasing numbers of online ontologies and by applications that automat...
133
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IEEECIT
2010
IEEE
15 years 3 months ago
2010
IEEE
This article describes the status and analyses the challenges of mobile application development, proposed a frame of component-based hierarchical development. Software is divided ...
133
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HUC
2004
Springer
15 years 10 months ago
2004
Springer
We are developing a wearable device that attempts to alleviate some everyday memory problems. The “memory prosthesis” records audio and contextual information from conversation...