1890 search results - page 67 / 378 » Querying Big Data by Accessing Small Data |
102
click to vote
SIGMOD
1999
ACM
15 years 3 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
VLDB
1990
ACM
15 years 3 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
ADBIS
2000
Springer
15 years 2 months ago
2000
Springer
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
127
click to vote
RR
2010
Springer
14 years 9 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
171
click to vote
SIGMOD
2006
ACM
15 years 11 months ago
2006
ACM
Music information processing has become very important due to the ever-growing amount of music data from emerging applications. In this demonstration, we present a novel approach ...