Sciweavers

SIGMOD
2011
ACM
198views Database» more  SIGMOD 2011»
13 years 2 months ago
U-MAP: a system for usage-based schema matching and mapping
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
Hazem Elmeleegy, Jaewoo Lee, El Kindi Rezig, Moura...
SIGMOD
2011
ACM
205views Database» more  SIGMOD 2011»
13 years 2 months ago
Interaction between record matching and data repairing
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...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Weny...
SIGMOD
2011
ACM
169views Database» more  SIGMOD 2011»
13 years 2 months ago
Leveraging query logs for schema mapping generation in U-MAP
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...
Hazem Elmeleegy, Ahmed K. Elmagarmid, Jaewoo Lee
SIGMOD
2011
ACM
163views Database» more  SIGMOD 2011»
13 years 2 months ago
A batch of PNUTS: experiences connecting cloud batch and serving systems
Adam Silberstein, Russell Sears, Wenchao Zhou, Bri...
SIGMOD
2011
ACM
170views Database» more  SIGMOD 2011»
13 years 2 months ago
Querying contract databases based on temporal behavior
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 ...
Elio Damaggio, Alin Deutsch, Dayou Zhou
SIGMOD
2011
ACM
250views Database» more  SIGMOD 2011»
13 years 2 months ago
Hybrid in-database inference for declarative information extraction
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...
Daisy Zhe Wang, Michael J. Franklin, Minos N. Garo...
SIGMOD
2011
ACM
158views Database» more  SIGMOD 2011»
13 years 2 months ago
Workload-aware database monitoring and consolidation
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...
Carlo Curino, Evan P. C. Jones, Samuel Madden, Har...
SIGMOD
2011
ACM
171views Database» more  SIGMOD 2011»
13 years 2 months ago
Bistro data feed management system
Vladislav Shkapenyuk, Theodore Johnson, Divesh Sri...
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
13 years 2 months ago
Context-sensitive ranking for document retrieval
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...
Liang Jeff Chen, Yannis Papakonstantinou
SIGMOD
2011
ACM
222views Database» more  SIGMOD 2011»
13 years 2 months ago
Data generation using declarative constraints
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
Arvind Arasu, Raghav Kaushik, Jian Li