VLDB
2004
ACM
13 years 10 months ago
2004
ACM
In this paper, we address the maintenance of spatial semijoin queries over continuously moving points, where points are modeled as linear functions of time. This is analogous to t...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Database outsourcing is an emerging data management paradigm which has the potential to transform the IT operations of corporations. In this paper we address privacy threats in da...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Online transaction processing (OLTP) is a multibillion dollar industry with high-end database servers employing state-of-the-art processors to maximize performance. Unfortunately,...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
An increasing percentage of the data needed by business applications is being generated in XML format. Storing the XML in its native format will facilitate new applications that e...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Information retrieval over semantic metadata has recently received a great amount of interest in both industry and academia. In particular, discovering complex and meaningful rela...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Web spam pages use various techniques to achieve higher-than-deserved rankings in a search engine’s results. While human experts can identify spam, it is too expensive to manual...