1588 search results - page 237 / 318 » Consistent query answering in databases |
161
Voted
PVLDB
2010
15 years 3 months ago
2010
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Previous work has shown that current XML keyword search methods, although in...
172
Voted
PODS
2004
ACM
16 years 4 months ago
2004
ACM
Geometric coordinates are an integral part of many data streams. Examples include sensor locations in environmental monitoring, vehicle locations in traffic monitoring or battlefi...
145
Voted
CIDR
2003
15 years 6 months ago
2003
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
195
Voted
EDBT
1994
ACM
15 years 8 months ago
1994
ACM
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
119
Voted
VLDB
1994
ACM
15 years 8 months ago
1994
ACM
In this paper, we consider various spatial relationships that are of general interest in pictorial database systems. We present a set of rules that allow us to deduce new relation...