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@Article{Sarkar:1994:IGA, author = "U. K. Sarkar and P. P. Chakrabarti and S. Ghose and S. C. Desarkar", title = "Improving Greedy Algorithms by Lookahead-Search", journal = j-J-ALG, volume = "16", number = "1", pages = "1--23", month = jan, year = "1994", CODEN = "JOALDV", DOI = "https://doi.org/10.1006/jagm.1994.1001", ISSN = "0196-6774 (print), 1090-2678 (electronic)", ISSN-L = "0196-6774", bibdate = "Tue Dec 11 09:15:38 MST 2012", bibsource = "http://www.math.utah.edu/pub/tex/bib/jalg.bib", URL = "http://www.sciencedirect.com/science/article/pii/S0196677484710017", acknowledgement = ack-nhfb, fjournal = "Journal of Algorithms", journal-URL = "http://www.sciencedirect.com/science/journal/01966774", }