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» Translating and Optimizing SQL Queries Having Aggregates
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SIGMOD
2006
ACM
150views Database» more  SIGMOD 2006»
14 years 7 months ago
On-the-fly sharing for streamed aggregation
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
Sailesh Krishnamurthy, Chung Wu, Michael J. Frankl...
JIDM
2010
160views more  JIDM 2010»
13 years 6 months ago
Evaluation of Conditional Preference Queries
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
Fabiola S. F. Pereira, Sandra de Amo
ICDE
2011
IEEE
238views Database» more  ICDE 2011»
12 years 11 months ago
Join queries on uncertain data: Semantics and efficient processing
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
Tingjian Ge
CIDR
2009
119views Algorithms» more  CIDR 2009»
13 years 8 months ago
DBMSs Should Talk Back Too
Natural language user interfaces to database systems have been studied for several decades now. They have mainly focused on parsing and interpreting natural language queries to ge...
Alkis Simitsis, Yannis E. Ioannidis
DOCENG
2004
ACM
14 years 1 months ago
Querying XML documents by dynamic shredding
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
Hui Zhang 0003, Frank Wm. Tompa