2147 search results - page 272 / 430 » Subjective Evaluations of an Experimental Gesturephone |
175
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
Query reformulation techniques based on query logs have been studied as a method of capturing user intent and improving retrieval effectiveness. The evaluation of these techniques...
144
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...
147
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
We describe a machine learning approach for predicting sponsored search ad relevance. Our baseline model incorporates basic features of text overlap and we then extend the model t...
179
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
We describe an approach for multi-modal characterization of social media by combining text features (e.g. tags as a prominent example of short, unstructured text labels) with spat...
248
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HYPERTEXT
2009
ACM
16 years 3 months ago
2009
ACM
Collaborative annotation tools are in widespread use. The metadata from these systems can be mined to induce semantic relationships among Web objects (sites, pages, tags, concepts...