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Editor-in-chief

 
Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2012 Vol.2(2): 274-277 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.97

Identification and Proof of Ownership by Watermarking Relational Databases

Vidhi Khanduja and O. P. Verma

Abstract—Rapid increase in copying and distributing digital assets are major concerned to content owners. In this paper, we proposed a new robust secure and imperceptible embedding mechanism to resolve the two important concerns namely; owner identification and proof of ownership. The steps of proposed mechanism for watermarking relational databases mainly involves encoding and decoding on numerical attribute of relational database in three phases; 1)Watermark preparator, 2)Watermark position detector and 3) Watermark Embedder or Detector. The first phase resolves ownership identification issue as owner’s identity is used to get watermark bits. In second phase position where watermarks are to be embedded are identified using secret key and pseudorandom generators. This phase marks multiple attributes with varying number of candidate bit positions within a single tuple. In the third phase watermarks are embedded in Encoder. While decoder extracts watermarks and detects database piracy.

Index Terms—Relational Database, Watermark, Copyright protection, Ownership identification, Proof of ownership.

Vidhi Khanduja was with department of Information Technology, Delhi Technological University. She is currently pursuing her PhD from Delhi University, India (e-mail: vidhikhanduja9@gmail.com).
O. P. Verma is with the Information Technology Department, Delhi Technological University, Delhi, India (e-mail: opverma.dce@gmail.com).

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Cite: Vidhi Khanduja and O. P. Verma, "Identification and Proof of Ownership by Watermarking Relational Databases," International Journal of Information and Electronics Engineering vol. 2, no. 2, pp. 274-277, 2012.

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