316 search results - page 18 / 64 » Evaluation of Conditional Preference Queries |
DEXA
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. This paper proposes a natural extension of conditional functional dependencies (cfds [14]) and conditional inclusion dependencies (cinds [8]), denoted by cfdp s and cindp...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
ICDE
2010
IEEE
14 years 3 months ago
2010
IEEE
— In recent years, the research community introduced various methods for processing skyline queries in multidimensional databases. The skyline operator retrieves all objects bein...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
We investigate the problem of refining SQL queries to satisfy cardinality constraints on the query result. This has applications to the many/few answers problems often faced by da...
ACL
2012
12 years 9 days ago
2012
Many machine translation (MT) evaluation metrics have been shown to correlate better with human judgment than BLEU. In principle, tuning on these metrics should yield better syste...