200 search results - page 27 / 40 » Datalog Queries of Set Constraint Databases |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
ER
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
DEXA
2003
Springer
14 years 18 days ago
2003
Springer
Emerging applications using miniature electronic devices (e.g., tracking mobile objects using sensors) generate very large amounts of highly dynamic data that poses very high overh...
MEDINFO
2007
13 years 8 months ago
2007
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...