Nishanth Chandran Ryan Moriarty Rafail Ostrovsky Omkant Pandey Mohammad Ali Safari Amit Sahai Improved algorithms for optimal embeddings. 2008 4 ACM Transactions on Algorithms 4 http://doi.acm.org/10.1145/1383369.1383376 db/journals/talg/talg4.html#ChandranMOPSS08