{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T11:48:07Z","timestamp":1763466487439,"version":"3.41.0"},"reference-count":83,"publisher":"Association for Computing Machinery (ACM)","issue":"1","license":[{"start":{"date-parts":[[2010,7,1]],"date-time":"2010-07-01T00:00:00Z","timestamp":1277942400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["J. Data and Information Quality"],"published-print":{"date-parts":[[2010,7]]},"abstract":"<jats:p>In the last few years, uncertainty management has come to be recognized as a fundamental aspect of data integration. It is now accepted that it may not be possible to remove uncertainty generated during data integration processes and that uncertainty in itself may represent a source of relevant information. Several issues, such as the aggregation of uncertain mappings and the querying of uncertain mediated schemata, have been addressed by applying well-known uncertainty management theories. However, several problems lie unresolved. This article sketches an initial picture of this highly active research area; it details existing works in the light of a homogeneous framework, and identifies and discusses the leading issues awaiting solutions.<\/jats:p>","DOI":"10.1145\/1805286.1805291","type":"journal-article","created":{"date-parts":[[2010,7,27]],"date-time":"2010-07-27T14:10:03Z","timestamp":1280239803000},"page":"1-33","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":45,"title":["A Survey on Uncertainty Management in Data Integration"],"prefix":"10.1145","volume":"2","author":[{"given":"Matteo","family":"Magnani","sequence":"first","affiliation":[{"name":"University of Bologna"}]},{"given":"Danilo","family":"Montesi","sequence":"additional","affiliation":[{"name":"University of Bologna"}]}],"member":"320","published-online":{"date-parts":[[2010,7]]},"reference":[{"volume-title":"Proceedings of the 32nd International Conference on Very Large Data Bases. 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