7607 search results - page 346 / 1522 » Querying data provenance |
190
click to vote
PODS
2010
ACM
15 years 12 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
173
click to vote
BNCOD
2001
15 years 8 months ago
2001
Abstract. Integrating, cleaning and analyzing data from heterogeneous sources is often complicated by the large amounts of data and its physical distribution which can result in po...
284
click to vote
IHI
2012
14 years 2 months ago
2012
We present a novel software tool called CDN (Collaborative Data Network) for large-scale sharing and querying of clinical documents modeled using HL7 v3 standard (e.g., Clinical D...
196
click to vote
PVLDB
2008
15 years 6 months ago
2008
Query processing on uncertain data streams has attracted a lot of attentions lately, due to the imprecise nature in the data generated from a variety of streaming applications, su...
192
click to vote
SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
The emergence of Web 2.0 has resulted in a huge amount of heterogeneous data that are contributed by a large number of users, engendering new challenges for data management and qu...