Online phase - PowerPoint PPT Presentation

Exact and Approximate Pattern in the Streaming Model

Exact and Approximate Pattern in the Streaming Model. Benny Porat and Ely Porat 2009 FOCS. Presented by - Tanushree Mitra. Problem Statement. Find all instances of pattern P of length m, as a contiguous substring in a text string T, of length n, where m &lt; n. Contributions.

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393 views • 21 slides

Entity Tracking in Real-Time using Sub-Topic Detection on Twitter

Entity Tracking in Real-Time using Sub-Topic Detection on Twitter. Sandeep Panem , Romil Bansal, Manish Gupta, Vasudeva Varma International Institute of information technology, Hyderabad 14 th April 2014. Introduction.

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382 views • 19 slides

Hellman’s Algorithm

Hellman’s Algorithm. Time / Memory tradeoff for finding a pre-image of a random function June 2011 Weizmann Institute of Science. Problem definition. For any function f: {0,…,N-1}:{0,…,N-1} , given a value y from the image , find a pre-image x such that f(x)=y .

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219 views • 9 slides

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