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SIGMOD
2009
ACM
125views Database» more  SIGMOD 2009»
16 years 2 days ago
Top-k queries on uncertain data: on score distribution and typical answers
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
Tingjian Ge, Stanley B. Zdonik, Samuel Madden
SIGMOD
2008
ACM
206views Database» more  SIGMOD 2008»
16 years 2 hour ago
Ad-hoc aggregations of ranked lists in the presence of hierarchies
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
Nilesh Bansal, Sudipto Guha, Nick Koudas
SIGMOD
2007
ACM
124views Database» more  SIGMOD 2007»
16 years 2 hour ago
Query suspend and resume
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
Badrish Chandramouli, Christopher N. Bond, Shivnat...
SIGMOD
2006
ACM
106views Database» more  SIGMOD 2006»
16 years 1 hour ago
Run-time operator state spilling for memory intensive long-running queries
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
Bin Liu, Yali Zhu, Elke A. Rundensteiner
ICSE
2007
IEEE-ACM
15 years 12 months ago
A Future for Software Engineering?
This paper suggests the need for a software engineering research community conversation about the future that the community would like to have. The paper observes that the researc...
Leon J. Osterweil