Search Results for author: Dmitry I. Ignatov

Found 19 papers, 1 papers with code

Transformer-based classification of user queries for medical consultancy with respect to expert specialization

no code implementations26 Sep 2023 Dmitry Lyutkin, Andrey Soloviev, Dmitry Zhukov, Denis Pozdnyakov, Muhammad Shahid Iqbal Malik, Dmitry I. Ignatov

This research presents an innovative strategy, utilizing the RuBERT model, for categorizing user inquiries in the field of medical consultation with a focus on expert specialization.

On Interpretability and Similarity in Concept-Based Machine Learning

no code implementations25 Feb 2021 Léonard Kwuida, Dmitry I. Ignatov

We discuss how notions from cooperative game theory can be used to assess the contribution of individual attributes in classification and clustering processes in concept-based machine learning.

BIG-bench Machine Learning Clustering +2

Triclustering in Big Data Setting

no code implementations24 Oct 2020 Dmitry Egurnov, Dmitry I. Ignatov, Dmitry Tochilkin

In this paper, we describe versions of triclustering algorithms adapted for efficient calculations in distributed environments with MapReduce model or parallelisation mechanism provided by modern programming languages.

Object-Attribute Biclustering for Elimination of Missing Genotypes in Ischemic Stroke Genome-Wide Data

1 code implementation22 Oct 2020 Dmitry I. Ignatov, Gennady V. Khvorykh, Andrey V. Khrunin, Stefan Nikolić, Makhmud Shaban, Elizaveta A. Petrova, Evgeniya A. Koltsova, Fouzi Takelait, Dmitrii Egurnov

The proposed algorithm was also able to generate biclusters for the whole dataset without size constraints in comparison to the In-Close4 algorithm for generation of formal concepts.

Attribute BIG-bench Machine Learning

DaNetQA: a yes/no Question Answering Dataset for the Russian Language

no code implementations6 Oct 2020 Taisia Glushkova, Alexey Machnev, Alena Fenogenova, Tatiana Shavrina, Ekaterina Artemova, Dmitry I. Ignatov

The task is to take both the question and a paragraph as input and come up with a yes/no answer, i. e. to produce a binary output.

Question Answering Sentence +2

Mixed Integer Programming for Searching Maximum Quasi-Bicliques

no code implementations23 Feb 2020 Dmitry I. Ignatov, Polina Ivanova, Albina Zamaletdinova

This paper is related to the problem of finding the maximal quasi-bicliques in a bipartite graph (bigraph).

Compression of Recurrent Neural Networks for Efficient Language Modeling

no code implementations6 Feb 2019 Artem M. Grachev, Dmitry I. Ignatov, Andrey V. Savchenko

We propose a general pipeline for applying the most suitable methods to compress recurrent neural networks for language modeling.

Language Modelling Quantization

Neural Networks Compression for Language Modeling

no code implementations20 Aug 2017 Artem M. Grachev, Dmitry I. Ignatov, Andrey V. Savchenko

In this paper, we consider several compression techniques for the language modeling problem based on recurrent neural networks (RNNs).

Language Modelling Quantization

Multimodal Clustering for Community Detection

no code implementations27 Feb 2017 Dmitry I. Ignatov, Alexander Semenov, Daria Komissarova, Dmitry V. Gnatyshak

Multimodal clustering is an unsupervised technique for mining interesting patterns in $n$-adic binary relations or $n$-mode networks.

Attribute Clustering +1

Towards a Unified Taxonomy of Biclustering Methods

no code implementations17 Feb 2017 Dmitry I. Ignatov, Bruce W. Watson

Being an unsupervised machine learning and data mining technique, biclustering and its multimodal extensions are becoming popular tools for analysing object-attribute data in different domains.

Attribute Clustering

Bayesian Learning of Consumer Preferences for Residential Demand Response

no code implementations27 Jan 2017 Mikhail V. Goubko, Sergey O. Kuznetsov, Alexey A. Neznanov, Dmitry I. Ignatov

In coming years residential consumers will face real-time electricity tariffs with energy prices varying day to day, and effective energy saving will require automation - a recommender system, which learns consumer's preferences from her actions.

Recommendation Systems

RAPS: A Recommender Algorithm Based on Pattern Structures

no code implementations20 Jul 2015 Dmitry I. Ignatov, Denis Kornilov

We propose a new algorithm for recommender systems with numeric ratings which is based on Pattern Structures (RAPS).

Recommendation Systems

Can FCA-based Recommender System Suggest a Proper Classifier?

no code implementations21 Apr 2015 Yury Kashnitsky, Dmitry I. Ignatov

The paper briefly introduces multiple classifier systems and describes a new algorithm, which improves classification accuracy by means of recommendation of a proper algorithm to an object classification.

Classification General Classification +2

Reciprocity in Gift-Exchange-Games

no code implementations23 Feb 2014 Rustam Tagiew, Dmitry I. Ignatov

Since this paper uses state-of-art data science techniques, the results provide a different point of view on the problem.

A Typology of Collaboration Platform Users

no code implementations30 Nov 2013 Anastasia Bezzubtseva, Dmitry I. Ignatov

In this paper we present a review of the existing typologies of Internet service users.

An FCA-based Boolean Matrix Factorisation for Collaborative Filtering

no code implementations16 Oct 2013 Elena Nenova, Dmitry I. Ignatov, Andrey V. Konstantinov

We propose a new approach for Collaborative Filtering which is based on Boolean Matrix Factorisation (BMF) and Formal Concept Analysis.

Collaborative Filtering

Concept Stability for Constructing Taxonomies of Web-site Users

no code implementations9 May 2009 Sergei O. Kuznetsov, Dmitry I. Ignatov

Owners of a web-site are often interested in analysis of groups of users of their site.

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