@inproceedings{Green-2007,
  added-at = {2009-12-03T11:47:31.000+0100},
  address = {New York, NY, USA},
  author = {Green, Todd J. and Karvounarakis, Grigoris and Tannen, Val},
  biburl = {http://www.bibsonomy.org/bibtex/2bea35a6d6d37531e19c62dba9a0ccb86/kurtjx},
  booktitle = {PODS '07: Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems},
  description = {provenance semiring and databases},
  doi = {http://doi.acm.org/10.1145/1265530.1265535},
  interhash = {3d0a048e468c78638317c9b04fe2175b},
  intrahash = {bea35a6d6d37531e19c62dba9a0ccb86},
  isbn = {978-1-59593-685-1},
  keywords = {provenance semanticweb semirings sparql},
  location = {Beijing, China},
  pages = {31--40},
  publisher = {ACM},
  timestamp = {2009-12-03T11:47:31.000+0100},
  title = {Provenance semirings},
  year = 2007
}