?
Ценностное предложение ресторанного бизнеса: интеллектуальный анализ онлайн-отзывов клиентов
Вестник Санкт-Петербургского университета. Серия 8. Менеджмент. 2022. Т. 21. № 1. С. 48–75.
Serova E., Fainshtein E.
The purpose of the paper is to study value proposition factors in online customer reviews that
characterize consumer inquiries in the catering industry by using text-mining techniques. Research
design focuses on the analysis of chain restaurants, which focuses on the usefulness of the
service indicated in a quantitative system of scores, and pleasure factors for customers. Empirical
data from 201 online reviews were collected from TripAdvisor service, which contains information
about consumer preferences from St. Petersburg, Russia. In addition to text mining, the
study used a correlation analysis of rating scores for chain restaurant customers, comparing the
online reviews of satisfied and dissatisfied customers. The results of the study identified certain
categories of factors of high importance for customers, which were revealed in both positive
and negative online reviews. The results of the analysis help the restaurant management system
to manage the value proposition properly taking into account various consumer factors of thepreferences indicated in reviews. The research implications allow managers to purposefully select
those factors that will achieve the desired effect in the relationship marketing. This study gives
an opportunity to management specialists of the company explore and account for the emotional
sentiment of online reviews.
Language:
Russian
Ramazanov I., Bukh A., Shepelev Igor A., Chaos 2026 No. 36 P. 083150–083150
We investigate how stochastic Poisson impulsive forcing influences the spatiotemporal dynamics of a two-dimensional network of Hindmarsh–Rose neurons. Unlike continuous noise, impulsive forcing introduces discrete, state-dependent perturbations, making the system response highly sensitive to both the statistics and the spatial structure of the input. In most of the parameter space, stochastic impulses destabilize the initial ...
Added: September 24, 2026
Joulitov A.K., Lomazova I.A., Proceedings of the Institute for System Programming of the RAS 2026 Vol. 38 No. 4(2) P. 215–224
In process mining, DFG (Directly-Follows Graph) models are popular due to their simplicity and clarity. However, if a process is acyclic but contains concurrent events, standard algorithms for discovering DFG models can generate "fake" cycles that do not actually exist in the event log. These cycles hinder the analysis of information processes, significantly reducing the ...
Added: September 24, 2026
Vicentin D. C., Salati Marcondes de Moraes G. H., Brandao Fischer B. et al., IEEE Transactions on Engineering Management 2026 Vol. 73 P. 4455–4470
International science collaboration countries have expanded considerably in recent years; nevertheless, institutional and organizational barriers and challenges continue to undermine the effectiveness of joint research initiatives. This study examines how such barriers are associated with perceived academic and technological outcomes, drawing on a primary dataset of 396 survey responses from researchers in BRICS-countries-based collaborations. The ...
Added: September 24, 2026
Добрина Д. Н., Nesterenko A., Прикладная дискретная математика. Приложение 2026 № 19 С. 151–159
Работа содержит результаты формального анализа криптографических механизмов, входящих в состав проекта методических рекомендаций «Защищенный универсальный протокол передачи данных и управления микросхемой интеллектуальной карты» (протокол SECUNDA). Получена формальная модель и перечень трудноразрешимых математических задач, трудоёмкостью решения которых можно оценить стойкость используемых криптографических механизмов. ...
Added: September 24, 2026
Levashev V., / Series arXiv "math". 2026. No. 2609.06010.
We prove that continuous A-bilinear pairings on the ring of Laurent series that are invariant under continuous automorphisms coincide, up to a constant, with the pairing given by the residue of a differential form over any commutative associative ring with identity. ...
Added: September 24, 2026
I.I. Sergeev, I.A. Lomazova, Modeling and Analysis of Information Systems 2026 Vol. 33 No. 3 P. 394–419
Object-centric process mining has emerged as a powerful paradigm for analyzing event data involving multiple interacting business objects. Existing discovery techniques often rely on object-centric Petri nets with fixed arc multiplicities, limiting their ability to represent parametric resource consumption and production patterns and to capture quantitative dependencies between interacting object types. In this paper, we ...
Added: September 24, 2026
Sokolov V., Adler V. E., Journal of Geometry and Physics 2026 Vol. 227 Article 105860
The group reduction procedure is applied to vector generalizations of the NLS, mKdV,
and KdV equations. The resulting ODE systems admit isomonodromic Lax representations
and are multicomponent generalizations of the Painlevé equations P 1, P 2, P 34, and P 4.
Some of them can be interpreted as nonautonomous deformations of well-known systems
integrable in the Liouville sense, in ...
Added: September 24, 2026
Makushkin M., Деньги и кредит 2026 Т. 85 № 2 С. 82–100
The paper considers the problem of estimating the coupon-free yield curve of Russian bonds in yuan. The relevance of the topic is explained by the increased popularity of yuan-denominated bonds in the Russian market since 2022, as well as the recent appearance of the first federal loan bonds (OFZ) in yuan. Given that the number ...
Added: September 24, 2026
Makushkin M., Финансовый журнал 2026 Т. 18 № 4 С. 27–44
This article examines financial innovations in the Russian corporate bond market as a response to structural changes in the economy following 2022. The tightening of monetary policy has led to prohibitively high interest rates for domestic companies, while the sanctions have closed access to external capital markets. Despite these constraints, Russian firms have successfully adapted ...
Added: September 24, 2026
Sokolov V., BALAKHNEV M. Y., Ufa Mathematical Journal 2026 Vol. 18 No. №3 P. 85–93
A collection of miscellaneous continuous, semi-discrete, and discrete integrable
systems can be associated with each integrable evolution equation of the KdV type. We provide them for the Schwarz — KdV equation and generalize to the vector case. The existence
of these vector generalizations is a non-trivial found fact, no mathematical explanation of
which is known yet. ...
Added: September 24, 2026
Festa G., D'Amato A., Palladino R. et al., European Journal of Innovation Management 2026 Vol. 29 No. 3 P. 728–744
Purpose
Artificial intelligence (AI) is vastly impacting the digital transformation of societies, economies, businesses, markets and enterprises, at a very fast pace, mostly after the global success of the generative algorithms. In this respect, this study, with an exploratory intention, aims to provide evidence about the fundamental issues of AI, particularly if generative, when adapted to ...
Added: September 24, 2026
Yakovlev E., Maksimov D. A., Mathematical notes 2026 Vol. 120 No. 3 P. 483–496
Smooth principal bundles whose total spaces and bases are time oriented Lorentzian manifolds and whose projections are Lorentzian submersions preserving time orientations are studied. Previously, the authors showed that the chronologicity, causality, and stable causality always lift from the base to the space of a Lorentzian bundle. For strong causality and global hyperbolicity, this holds ...
Added: September 24, 2026
Grimaldi M., Troisi O., Papa A. et al., The Journal of Technology Transfer 2026 Vol. 51 P. 1341–1392
Digital transformation and the possibility to collect large amount of data, the so-called big data, from different sources can lead to the redefinition of business processes, models and infrastructures. In this respect, data-driven decision making (DDDM) emphasizes the need to rethink management practices to view data as a driving force that can improve the effectiveness ...
Added: September 24, 2026
Sokolov V., Shabat G. B., Tsiganov A. V., Journal of Geometry and Physics 2026 Vol. 220
We consider Novikov equations for commutative ring generated by differential operators of
orders 3,4,5. We present an explicit Hamiltonian form of these equations. Using the method
of compatible Poisson brackets, we find a separation of variables on a hyperelliptic curve
of genus 2 for the Novikov equations ...
Added: September 24, 2026
Marshakov A., Yung A., Ievlev E. et al., Physical Review D - Particles, Fields, Gravitation and Cosmology 2026 No. 114 P. 1–22
We continue the study of non-Abelian vortex string in 4D N ¼ 2 supersymmetric QCD (SQCD) as critical superstring, and extend this analysis to UðNÞ gauge theory with arbitrary even N and Nf ¼ 2N number of quarks. We introduce a special mass deformation and show that the SQCD hadron spectrum is still given by ...
Added: September 24, 2026
Demina M.V., Nechitailo V., Analysis and Mathematical Physics 2026 Vol. 16 No. 5 P. 1–25
We present a method of finding non-Liouvillian first integrals of rational two-dimensional differential systems. The method is based on the existence of two independent invariants that satisfy a linear second-order ordinary differential equation with respect to one of the variables. We call systems with this property R-integrable. These invariants are not necessarily polynomial; they can ...
Added: September 24, 2026
Bitter I., Konakov V., Mathematical notes 2026 Vol. 120 No. 4 P. 599–615
The paper provides a generalization of the local limit theorem on the convergence
of inhomogeneous Markov chains to the diffusion limit for the case in which the corresponding
coefficients of the process satisfy weak regularity conditions and coincide only asymptotically.
In particular, the drift coefficients under consideration can be unbounded with at most linear
growth, and the bounds reflect ...
Added: September 24, 2026
Tripathi S., Kabra S., Letters in Spatial and Resource Sciences 2026 Vol. 19 P. 1–24
Cities become more productive and enjoyable places to live with improved transportation management. However, most cities in developing countries still lack it. In this context, the present study examines the relationship between the different types of vehicles (measured by passenger and freight vehicles) and urbanization (measured by city population size and density) in India. We ...
Added: September 24, 2026
Pyatov P. N., Pivovarov P. A., / Series math "arxiv.org". 2026. No. 2609.06274.
We investigate a special ansats that allows for an iterative solution of the constant Yang-Baxter equation. Testing this ansatz, we construct four sequences of the constant R-matrices. In each sequence the R-matrices act on the tensor squares of vector spaces of linearly growing dimensions. Each R-matrix also depends on a single complex parameter.
By analyzing the ...
Added: September 24, 2026
Chepovskiy A., Никитина Н. Ю., В кн.: Международная конференция «Математические идеи академика П.Л. Чебышёва, их приложения в естественных науках и технологи- ях искусственного интеллекта», приуроченная к 205-й годовщине со дня его рождения» : Материалы конференции.: Калуга: Калужский печатный двор, 2026. С. 231–233.
The task of comparison of large text arrays for characteristics selection and comparison of texts in order to form training sets of texts is considered ...
Added: June 20, 2026
Grebenyuk A. Y., Lobanova P., Саввин Н. В. et al., Медицинские технологии. Оценка и выбор 2026 № 1(47) С. 36–47
Objective: Analysis of the current global agenda in medical science.
Material and methods: The article proposes an approach to building a medical research landscape based on semantic analysis and mapping of medical topics. For this purpose, 2252 topics from English-language articles published in 2024 related to the field of medicine were vectorized, the embeddings were obtained ...
Added: February 20, 2026
Герц А.Б., Психологические исследования: электронный научный журнал 2025 Т. 18 № 99 С. 5
The role of parents in the development of children’s authenticity remains insufficiently explored and raises more questions than it answers. This exploratory study investigates the relationship between parental representations and the dispositional authenticity of adult children. To assess the variables of interest, the following instruments were used: an adapted version of the Semantic Differential for ...
Added: October 19, 2025
Полехина А. А., Гусева А. Д., Деньги и кредит 2025 № 3 С. 28–62
Статья посвящена созданию индекса восприятия Банка России в Telegram-каналах, который может выступать как опережающий индикатор доверия населения к регулятору (корреляция с опросными данными «инФОМ» – 74%). Индекс оценивается на неструктурированных данных из 1400 Telegram-каналов. Это первый подобный индекс, который рисует объемную картину информационного поля, разделяя каналы по типам и ключевым сферам деятельности Банка России – ...
Added: October 14, 2025
Аванесян Н. Л., Chepovskiy A., Правовая информатика 2025 № 3 С. 37–44
The applicability of the previously developed methodology for frequency analysis of various linguistic characteristics in Russian-language texts has been demonstrated for the translation of poetic texts. This methodology enables the comparison of different texts and the identification of distinguishing features for the identification of texts in natural language, using pairwise rank correlation coefficients of frequency ...
Added: October 13, 2025