Search Results for author: Bhisham Dev Verma

Found 5 papers, 0 papers with code

Improving LSH via Tensorized Random Projection

no code implementations11 Feb 2024 Bhisham Dev Verma, Rameshwar Pratap

In this work, we aim to propose faster and space efficient locality sensitive hash functions for Euclidean distance and cosine similarity for tensor data.

Improving \textit{Tug-of-War} sketch using Control-Variates method

no code implementations4 Mar 2022 Rameshwar Pratap, Bhisham Dev Verma, Raghav Kulkarni

Tug-of-war} (or AMS) sketch gives a randomized sublinear space (and linear time) algorithm for computing the frequency moments, and the inner product between two frequency vectors corresponding to the data streams.

Dimensionality Reduction for Categorical Data

no code implementations1 Dec 2021 Debajyoti Bera, Rameshwar Pratap, Bhisham Dev Verma

We show that FSketch is significantly faster, and the accuracy obtained by using its sketches are among the top for the standard unsupervised tasks of RMSE, clustering and similarity search.

Dimensionality Reduction

QUINT: Node embedding using network hashing

no code implementations9 Sep 2021 Debajyoti Bera, Rameshwar Pratap, Bhisham Dev Verma, Biswadeep Sen, Tanmoy Chakraborty

QUINT is the first of its kind that provides tremendous gain in terms of speed and space usage without compromising much on the accuracy of the downstream tasks.

Link Prediction Network Embedding +1

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