922 search results - page 146 / 185 » Unsupervised detection of contours using a statistical model |
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
We consider experiments to measure the quality of a web search algorithm based on how much total time users take to complete assigned search tasks using that algorithm. We first ...
SCALESPACE
1999
Springer
15 years 2 months ago
1999
Springer
In this paper we address two important problems in motion analysis: the detection of moving objects and their localization. Statistical and level set approaches are adopted in orde...
SIGIR
2004
ACM
15 years 3 months ago
2004
ACM
In this paper we study the problem of finding most topical named entities among all entities in a document, which we refer to as focused named entity recognition. We show that th...
WWW
2010
ACM
15 years 4 months ago
2010
ACM
Access to realistic, complex graph datasets is critical to research on social networking systems and applications. Simulations on graph data provide critical evaluation of new sys...
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SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...