2145 search results - page 215 / 429 » Pattern-Based Query Answering |
199
Voted
ICDT
2009
ACM
16 years 3 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
121
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
117
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
We consider an environment where distributed data sources continuously stream updates to a centralized processor that monitors continuous queries over the distributed data. Signif...
127
Voted
EDBT
2006
ACM
16 years 2 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
121
Voted
INFOCOM
2009
IEEE
15 years 9 months ago
2009
IEEE
—With in-network sensor data storage and query, storage nodes are responsible for storing the data collected by sensor nodes and answering queries from users. Thus, without prope...