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236
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Similarity search is a key challenge for multimedia retrieval applications where data are usually represented in high-dimensional space. Among various algorithms proposed for simi...
226
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Many current effectiveness measures incorporate simplifying assumptions about user behavior. These assumptions prevent the measures from reflecting aspects of the search process...
237
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Versioned document collections are collections that contain multiple versions of each document. Important examples are Web archives, Wikipedia and other wikis, or source code and ...
270
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
253
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Many important search tasks require multiple search sessions to complete. Tasks such as travel planning, large purchases, or job searches can span hours, days, or even weeks. Inev...