380 search results - page 72 / 76 » Generalizing foraging theory for analysis and design |
175
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
Major research challenges in discovering Web services include, provisioning of services across multiple or heterogeneous registries, differentiating between services that share si...
WWW
2006
ACM
15 years 10 months ago
2006
ACM
XML is fast becoming the standard format to store, exchange and publish over the web, and is getting embedded in applications. Two challenges in handling XML are its size (the XML...
KDD
2005
ACM
15 years 9 months ago
2005
ACM
Addressed in this paper is the issue of `email data cleaning' for text mining. Many text mining applications need take emails as input. Email data is usually noisy and thus i...
155
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...