295 search results - page 44 / 59 » Time-Stamp Management and Query Execution in Data Stream Man... |
SIGMOD
2010
ACM
14 years 11 days ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema vers...
CHI
2003
ACM
14 years 8 months ago
2003
ACM
In the past, most early hands-on users of interactive software in organizations were individual contributors. Managers as early adopters is a new trend with significant implicatio...
SSDBM
2006
IEEE
14 years 1 months ago
2006
IEEE
Many publisWsubscribe systems have been built using wireless sensor networks, WSNs, deployedfor real-world environmentaldata collection, securitymonitoring,and object tracking. Ho...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Tools for generating test queries for databases do not explicitly take into account the actual data in the database. As a consequence, such tools cannot guarantee suitable coverag...