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» The case for PIQL: a performance insightful query language
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CLOUD
2010
ACM
13 years 10 months ago
The case for PIQL: a performance insightful query language
Large-scale, user-facing applications are increasingly moving from relational databases to distributed key/value stores for high-request-rate, low-latency workloads. Often, this m...
Michael Armbrust, Nick Lanham, Stephen Tu, Armando...
SIGMOD
2010
ACM
187views Database» more  SIGMOD 2010»
13 years 9 months ago
PIQL: a performance insightful query language
Large-scale websites are increasingly moving from relational databases to distributed key-value stores for high request rate, low latency workloads. Often this move is motivated n...
Michael Armbrust, Stephen Tu, Armando Fox, Michael...
EDBT
2012
ACM
228views Database» more  EDBT 2012»
11 years 7 months ago
Towards scalable data integration under constraints
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
George Konstantinidis, José Luis Ambite
DBPL
2001
Springer
167views Database» more  DBPL 2001»
13 years 9 months ago
A Temporal Query Language for OLAP: Implementation and a Case Study
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
Alejandro A. Vaisman, Alberto O. Mendelzon
SIGIR
2010
ACM
13 years 8 months ago
Query recovery of short user queries: on query expansion with stopwords
User queries to search engines are observed to predominantly contain inflected content words but lack stopwords and capitalization. Thus, they often resemble natural language que...
Johannes Leveling, Gareth J. F. Jones