VLDB
2007
ACM
14 years 4 months ago
2007
ACM
We propose a novel string search algorithm for data stored once and read many times. Our search method combines the sublinear traversal of the record (as in Boyer Moore or Knuth-M...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
When integrating data from heterogeneous sources, it is often necessary to transform both the schemas and the data from the underlying sources in order to present the integrated d...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
We study processing and authentication of long-running queries on outsourced data streams. In this scenario, a data owner (DO) constantly transmits its data to a service provider ...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
Long running decision support queries can be resource intensive and often lead to resource contention in data warehousing systems. Today, the only real option available to the DBA...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
In this paper we study the trade-offs between time series compressibility and partial information hiding and their fundamental implications on how we should introduce uncertainty ...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...