Anu Mary Chacko

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In this era of data explosion, big data research is gaining much importance. We have a collection of new technologies for data management in big data like NoSQL databases, (e.g. MongoDB, Cassandra), analytic tools (e.g. MapReduce, Hive) etc. These tools do not have a SQL query interface which users are very familiar with. So with Postgres 9.1 designers have(More)
Provenance is the metadata about the origin, context or history of data on how it came into its present state of being. Data in our context are files. The information about how the file was created and maintained can throw a lot of information on the credibility of data stored in the file. This information can be obtained by collecting the provenance of(More)
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