2223 search results - page 145 / 445 » Query Optimization in an OODBMS |
227
click to vote
ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to sto...
115
Voted
IIS
2004
15 years 5 months ago
2004
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
112
click to vote
ICDT
2005
ACM
15 years 9 months ago
2005
ACM
In recent years wavelets were shown to be effective data synopses. We are concerned with the problem of finding efficiently wavelet synopses for massive data sets, in situations...
157
Voted
RR
2007
Springer
15 years 10 months ago
2007
Springer
For the foreseeable future, most data will continue to be stored in relational databases. To work with these data in ontology-based applications, tools and techniques that bridge t...
136
click to vote
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Exploratory ad-hoc queries could return too many answers ? a phenomenon commonly referred to as "information overload". In this paper, we propose to automatically catego...