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SIGMOD
2010
ACM
188views Database» more  SIGMOD 2010»
15 years 4 months ago
A demonstration of FlexPref: extensible preference evaluation inside the DBMS engine
This demonstration presents FlexPref, a framework implemented inside the DBMS query processor that enables efficient and extensible preference query processing. FlexPref provides ...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
TKDE
2010
274views more  TKDE 2010»
14 years 10 months ago
Ranked Query Processing in Uncertain Databases
—Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to “certain” data, the ...
Xiang Lian, Lei Chen 0002
SSDBM
2008
IEEE
107views Database» more  SSDBM 2008»
15 years 6 months ago
ProUD: Probabilistic Ranking in Uncertain Databases
There are a lot of application domains, e.g. sensor databases, traffic management or recognition systems, where objects have to be compared based on vague and uncertain data. Feat...
Thomas Bernecker, Hans-Peter Kriegel, Matthias Ren...
ISCI
2008
93views more  ISCI 2008»
14 years 11 months ago
Safety, domain independence and translation of complex value database queries
This paper considers the theory of database queries on the complex value data model with external functions. Motivated by concerns regarding query evaluation, we first identify re...
Hong-Cheu Liu, Jeffrey Xu Yu, Weifa Liang
EDBT
2008
ACM
99views Database» more  EDBT 2008»
15 years 11 months ago
Querying time-series streams
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...
Vivekanand Gopalkrishnan