SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
Central to a data cleaning system are record matching and data repairing. Matching aims to identify tuples that refer to the same real-world object, and repairing is to make a dat...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
In this paper, we introduce U-MAP, a new system for schema mapping generation. U-MAP builds upon and extends existing schema mapping techniques. However, it mitigates some key pro...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
Considering a broad definition for service contracts (beyond web services and software, e.g. airline tickets and insurance policies), we tackle the challenges of building a high ...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
In the database community, work on information extraction (IE) has centered on two themes: how to effectively manage IE tasks, and how to manage the uncertainties that arise in th...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
In most enterprises, databases are deployed on dedicated database servers. Often, these servers are underutilized much of the time. For example, in traces from almost 200 producti...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
SIGMOD
2011
ACM
12 years 7 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...