BNCOD
2006
13 years 6 months ago
2006
We examine the problem of producing the optimal evaluation order for queries containing joins, selections, and maps. Specifically, we look at the case where common subexpressions i...
BNCOD
2006
13 years 6 months ago
2006
BNCOD
2006
13 years 6 months ago
2006
The Lixto project is an ongoing research effort in the area of Web data extraction. Whereas the project originally started out with the idea to develop a logic-based extraction lan...
BNCOD
2006
13 years 6 months ago
2006
Composed Web service transactions executed in distributed networks often require an atomic execution. Guaranteeing atomicity in mobile networks involves a lot more challenges than ...
BNCOD
2006
13 years 6 months ago
2006
In this paper, we propose an efficient signature-based indexing scheme for efficiently dealing with the trajectories of current moving objects on road networks. We show that our in...
BNCOD
2004
13 years 6 months ago
2004
This technical report describes the XML data integration framework being built within the AutoMed heterogeneous data integration system. It presents a description of the overall f...
BNCOD
2004
13 years 6 months ago
2004
Abstract. We present a new application for keyword search within relational databases, which uses a novel algorithm to solve the join discovery problem by finding Memex-like trails...
BNCOD
2004
13 years 6 months ago
2004
The M-tree is a paged, dynamically balanced metric access method that responds gracefully to the insertion of new objects. Like many spatial access methods, the M-tree's perfo...
BNCOD
2004
13 years 6 months ago
2004
A student with a Computing Science degree is expected to have reached a reasonable level of expertise in SQL. SQL is a non-trivial skill to master and is taught with different degr...
BNCOD
2004
13 years 6 months ago
2004
Abstract. Traditional recovery mechanisms are not adequate in protecting databases from malicious attacks. A malicious transaction by virtue of writing on to the database can corru...