Search Results for author: David Liben-Nowell

Found 3 papers, 1 papers with code

Bounding Consideration Probabilities in Consider-Then-Choose Ranking Models

no code implementations19 Jan 2024 Ben Aoki-Sherwood, Catherine Bregou, David Liben-Nowell, Kiran Tomlinson, Thomas Zeng

We consider a natural extension of consider-then-choose models to a top-$k$ ranking setting, where we assume rankings are constructed according to a Plackett-Luce model after sampling a consideration set.

Reconstructing Patterns of Information Diffusion from Incomplete Observations

no code implementations NeurIPS 2011 Flavio Chierichetti, David Liben-Nowell, Jon M. Kleinberg

There is a tree T that we cannot observe directly (representing the structure along which the information has spread), and certain nodes randomly decide to make their copy of the information public.

Tetris is Hard, Even to Approximate

2 code implementations21 Oct 2002 Erik D. Demaine, Susan Hohenberger, David Liben-Nowell

In the popular computer game of Tetris, the player is given a sequence of tetromino pieces and must pack them into a rectangular gameboard initially occupied by a given configuration of filled squares; any completely filled row of the gameboard is cleared and all pieces above it drop by one row.

Computational Complexity Computational Geometry Discrete Mathematics F.1.3; F.2.2; G.2.1; K.8.0

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