167 search results - page 1 / 34 » On the provenance of non-answers to queries over extracted d... |
PVLDB
2008
13 years 3 months ago
2008
In information extraction, uncertainty is ubiquitous. For this reason, it is useful to provide users querying extracted data with explanations for the answers they receive. Provid...
DEBU
2010
13 years 1 months ago
2010
Developing high-quality information extraction (IE) rules, or extractors, is an iterative and primarily manual process, extremely time consuming, and error prone. In each iteratio...
SIGMOD
2010
ACM
13 years 9 months ago
2010
ACM
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
ICDT
2001
ACM
13 years 8 months ago
2001
ACM
Withthe proliferation of database views and curated databases, the issue of data provenance where a piece of data came from and the process by which it arrived in the database is b...
ICDT
2011
ACM
12 years 7 months ago
2011
ACM
Provenance in scientific workflows is a double-edged sword. On the one hand, recording information about the module executions used to produce a data item, as well as the parame...