2554 search results - page 353 / 511 » Keyword query cleaning |
204
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ECIR
2011
Springer
14 years 10 months ago
2011
Springer
Abstract. Children experience several difficulties retrieving information using current Information Retrieval (IR) systems. Particularly, children struggle to find the right keywo...
165
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CVPR
2000
IEEE
16 years 8 months ago
2000
IEEE
Online photo sharing systems, such as Flickr and Picasa, provide a valuable source of human-annotated photos. Textual annotations are used not only to describe the visual content ...
282
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
A previously proposed Keyword Search paradigm produces, as a query result, a ranked list of Object Summaries (OSs); each OS summarizes all data held in a relational database about ...
265
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...
280
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GIS
2003
ACM
16 years 7 months ago
2003
ACM
Advances in wireless communications, positioning technology, and other hardware technologies combine to enable a range of applications that use a mobile user's geo-spatial da...