5595 search results - page 429 / 1119 » Approximation Algorithms for Clustering Problems |
205
click to vote
AAAI
2008
15 years 9 months ago
2008
This paper considers the problem of an agent searching for a resource or a tangible good in a physical environment, where at each stage of its search it observes one source where ...
244
click to vote
PODS
2011
ACM
14 years 9 months ago
2011
ACM
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
165
click to vote
INFOCOM
2009
IEEE
16 years 1 months ago
2009
IEEE
— In this paper, we study sensor enabled landmine networks by formulating a minimum-cost mine selection problem. The problem arises in a target defence scenario, where the object...
164
click to vote
SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
214
click to vote
ISCAS
2008
IEEE
16 years 1 months ago
2008
IEEE
— Non-negative matrix factorization (NMF), i.e. V ≈ WH where both V, W and H are non-negative has become a widely used blind source separation technique due to its part based r...