Search Results for author: Petar Ristoski

Found 5 papers, 2 papers with code

Topology-Driven Generative Completion of Lacunae in Molecular Data

no code implementations29 Jul 2022 Dmitry Yu. Zubarev, Petar Ristoski

We introduce an approach to the targeted completion of lacunae in molecular data sets which is driven by topological data analysis, such as Mapper algorithm.

Topological Data Analysis

SAUCE: Truncated Sparse Document Signature Bit-Vectors for Fast Web-Scale Corpus Expansion

no code implementations26 Aug 2021 Muntasir Wahed, Daniel Gruhl, Alfredo Alba, Anna Lisa Gentile, Petar Ristoski, Chad Deluca, Steve Welch, Ismini Lourentzou

In this paper, we consider the problem of fast approximate corpus expansion given a small seed corpus with a few relevant documents as a query, with the goal of capturing the long tail of a domain-specific set of concept terms.

Natural Language Understanding

Large-scale Taxonomy Induction Using Entity and Word Embeddings

no code implementations4 May 2021 Petar Ristoski, Stefano Faralli, Simone Paolo Ponzetto, Heiko Paulheim

Taxonomies are an important ingredient of knowledge organization, and serve as a backbone for more sophisticated knowledge representations in intelligent systems, such as formal ontologies.

Word Embeddings

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