67 search results - page 4 / 14 » Arity-Monotonic Extended Aggregation Operators |
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Temporal aggregation is a crucial operator in temporal databases and has been studied in various flavors. In instant temporal aggregation (ITA) the aggregate value at time instan...
SIGMOD
2010
ACM
14 years 13 days ago
2010
ACM
MapReduce is a popular framework for data-intensive distributed computing of batch jobs. To simplify fault tolerance, the output of each MapReduce task and job is materialized to ...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
PODS
2005
ACM
14 years 7 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...
IS
2006
13 years 7 months ago
2006
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...