679 search results - page 43 / 136 » Approximate Temporal Aggregation |
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Since the website is one of the most important organizational structures of the Web, how to effectively rank websites has been essential to many Web applications, such as Web sear...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
PODS
2005
ACM
14 years 8 months ago
2005
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
STOC
2007
ACM
14 years 8 months ago
2007
ACM
We present a polynomial time approximation scheme (PTAS) for the minimum feedback arc set problem on tournaments. A simple weighted generalization gives a PTAS for KemenyYoung ran...
WINET
2010
13 years 6 months ago
2010
In this paper we consider how to collect data from sensors deployed in the Euclidean plane in a timeefficient way. We assume that all sensors could adjust their transmission range...