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Tytuł:
StructAnalyzer - a tool for sequence versus structure similarity analysis
Autorzy:
Wiedemann, Jakub
Miłostan, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/1038735.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
sequence similarity
structural similarity
RNA
Opis:
In the world of RNAs and proteins, similarities at the level of primary structures of two comparable molecules usually correspond to structural similarities at the tertiary level. In other words, measures of sequence and structure similarities are in general correlated - a high value of sequence similarity imposes a high value of structural similarity. However, important exceptions that stay in contrast to this general rule can be identified. It is possible to find similar structures with very different sequences, as well as similar sequences with very different structures. In this paper, we focus our attention on the latter case and propose a tool, called StructAnalyzer, supporting analysis of relations between the sequence and structure similarities. Recognition of tertiary structure diversity of molecules with very similar primary structures may be the key for better understanding of mechanisms influencing folding of RNAs or proteins, and as a result for better understanding of their function. StructAnalyzer allows exploration and visualization of structural diversity in relation to sequence similarity. We show how this tool can be used to screen RNA structures in Protein Data Bank (PDB) for sequences with structural variants.
Źródło:
Acta Biochimica Polonica; 2016, 63, 4; 753-757
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Similarity Index based Link Prediction Algorithms in Social Networks: A Survey
Autorzy:
Srilatha, P.
Manjula, R.
Powiązania:
https://bibliotekanauki.pl/articles/308033.pdf
Data publikacji:
2016
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
link prediction
similarity based link prediction
similarity index
social network analysis
Opis:
Social networking sites have gained much popularity in the recent years. With millions of people connected virtually generate loads of data to be analyzed to infer meaningful associations among links. Link prediction algorithm is one such problem, wherein existing nodes, links and their attributes are analyzed to predict the possibility of potential links, which are likely to happen over a period of time. In this survey, the local structure based link prediction algorithms existing in literature with their features and also the possibility of future research directions is reported and discussed. This survey serves as a starting point for beginners interested in understanding link prediction or similarity index algorithms in general and local structure based link prediction algorithms in particular.
Źródło:
Journal of Telecommunications and Information Technology; 2016, 2; 87-94
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Weryfikacja konstrukcji tworzonych na podstawie teorii podobieństwa konstrukcyjnego
Verification of constructions created on the basis of the construction similarity theory
Autorzy:
Cielniak, M.
Powiązania:
https://bibliotekanauki.pl/articles/408927.pdf
Data publikacji:
2011
Wydawca:
Politechnika Śląska
Tematy:
teoria podobieństwa
typoszereg
podobieństwo konstrukcyjne
similarity theory
series of types
construction similarity
Opis:
Teoria podobieństwa konstrukcyjnego pozwala opracować typoszeregi konstrukcji, zachowując identyczne stany przy wykorzystaniu warunków podobieństwa konstrukcyjnego oraz zunifikowanych cech charakterystycznych. Tak wygenerowane wymiary nowych typowielkości są przyrównywane do wymiarów elementów katalogowych, znormalizowanych lub do szeregu liczb normalnych. W niniejszej pracy przedstawiono analizę wpływu zaokrąglania wartości wymiarów na uzyskany wynik. Przeanalizowano sposoby przyrównywania wymiaru oraz niedokładności w szeregu liczb normalnych pod względem podobieństwa liczb.
The construction similarity theory allows to elaborate a series of construction types while maintaining the same states, using construction similarity conditions and unified construction attributes. Generated in such way new construction dimensions are compared to the dimensions of catalogue elements, normalized elements or preferred numbers. This paper presents an analysis of the impact on the result of rounding the dimensions. Methods of the comparision of dimension and inaccuracy in the normal numbers series in terms of numbers similarity were analyzed. The dimensions comparison process and similarity of preferred normal numbers were analyzed.
Źródło:
Wybrane Problemy Inżynierskie; 2011, 2; 59-64
2083-1021
Pojawia się w:
Wybrane Problemy Inżynierskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Percepcja produktu w kontekście przekazu reklamowego – analiza na podstawie dwu metod badania podobieństwa
Product perception in the advertisement context -analysis based on two methods of investigating similarity
Autorzy:
Banaszczyk, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2139563.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
perception in advertising
similarity
Opis:
The purpose of the study was to show that interpretation of observed objects depends on the context (in this case context was the advertisement) in which they are seen. The second goal was to show the equivalence of two methods used to investigate similarity between objects – affinity index and comparison in pairs. The group of 180 people aged 19–32 participated in the study. They valuated similarity between three identical objects but advertised in three different ways. Using multidimensional scaling method the perception maps of the three products were created. Data unequivocally proved that they were seen as dissimilar. The Pindis procedure revealed that both methods used to investigate similarity are methodologically equivalent. They can be used interchangeably.
Źródło:
Acta Universitatis Lodziensis. Folia Psychologica; 2007, 11; 175-188
2353-4842
Pojawia się w:
Acta Universitatis Lodziensis. Folia Psychologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of a Source Code Plagiarism in a Student Programming Competition
Autorzy:
Gniazdowski, Zenon
Boniecki, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/91298.pdf
Data publikacji:
2019
Wydawca:
Warszawska Wyższa Szkoła Informatyki
Tematy:
source code plagiarism
Levenshtein distance
Levenshtein similarity
similarity relation
propensity to plagiarism
Opis:
The article presents a system for testing the independence of solutions to algorithmic problems sent by students as part of the student programming competition. First, the context was discussed, as well as the need to organize programming competitions resulting from this context. Then, an algorithm was proposed to study the mutual similarity of source codes of programs sent as part of a programming competition. Since, after implementation, the algorithm was used in practice, examples of its application for detecting the plagiarism of source codes of solutions in two programming competitions conducted as part ofmclasses on Algorithms and Numerical Methods were also presented. Finally, the effectiveness of the solutions used in the work was discussed.
Źródło:
Zeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki; 2019, 13, 21; 74-94
1896-396X
2082-8349
Pojawia się w:
Zeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Similarity and model designing in a nonscalar description of an examined process
Podobieństwo i projektowanie modeli dla procesów zależnych od nieskalarnych zmiennych
Autorzy:
Kasprzak, W. A.
Powiązania:
https://bibliotekanauki.pl/articles/279230.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
similarity
dimensional analysis
physical modelling
Opis:
The problem of similarity and designing of a physical model of an examined process is considered on the basis of generalizations of Theorem ... . It is shown that in cases of nonscalar description the similar model of a process could be designed on the basis a special version of Theorem ... . Similarity scales can be obtained only for the vector modulus, or for the components of vectors and tensors when special experimental condotions (described in this paper) are fulfilled.
Znana z literatury teoria podobieństwa modelowego i algorytmy projektowania modeli opracowano przy założeniu, że proces zależy od zmiennych, które są skalarami. W pracy podaje się rozwiązanie tych problemów dla nieskalarnych zmiennych, od których zależy przebieg procesu. Podaje się odpowiednią wersję twirdzenia ... dla funkcji wymiarowych zależnych od zmiennych, które mogą być tensorami i sposób wyznaczania skal. Pokazuje się, że otrzymuje się takie same rezultaty, jak dla modeli skalarnych, ale otrzymuje się pełną informację o składowych tensora opisującego badany proces, a więc pełne informacje pozwalające na opracowanie projektu badań empirycznych (nie otrzymywano ich w tradycyjnym modelu).
Źródło:
Journal of Theoretical and Applied Mechanics; 2003, 41, 2; 383-394
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forecast accuracy and similarities in the development of mean transaction prices on Polish residential markets
Autorzy:
Dittmann, Iwona
Powiązania:
https://bibliotekanauki.pl/articles/425120.pdf
Data publikacji:
2013
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
shape similarity
forecasting
residential market
Opis:
This article presents the results of a study concerning the forecasting of mean transaction prices per 1 m2 in eight residential markets in Poland. The first research problem was an attempt to study the dependencies between the similarity of price development between these markets and the values of the errors of price forecasts that were constructed based on this similarity. The analysis showed a lack of a negative linear relationship. This means that a greater similarity in price development in different markets did not allow for the construction of forecasts with a smaller error. The second research problem was a construction of global mean price forecasts. The results showed that the proposed method of constructing global forecasts was, compared to the traditional one, better in the case of some markets, and worse for others.
Źródło:
Econometrics. Ekonometria. Advances in Applied Data Analytics; 2013, 1(39); 121-132
1507-3866
Pojawia się w:
Econometrics. Ekonometria. Advances in Applied Data Analytics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
„НА ЗЕРКАЛО НЕЧА ПЕНЯТЬ...” (К ИСТОРИИ ОДНОГО ВЗАИМООТНОШЕНИЯ)
Two Aspects of the Theme of Childhood in A.P. Chekhov’s stories
Autorzy:
Biełousowa, Wiera
Powiązania:
https://bibliotekanauki.pl/articles/445102.pdf
Data publikacji:
2008-12-01
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
antinomy
relationship - polarity
similarity - antipode
Opis:
There are two main aspects in Chekhov’s stories about children: perception of the world by a child and perception of children’s world by adults. Chekhov shows the moments in the life of children which let to reveal problems that arise because the grown-ups don’t understand the world of child, so children collide with the world of adults, not seldom alien and incomprehensible for them. Children don’t accept insincerity, cruelty, indifference, therefore they are often lonely and defenseless. Thinking about children, Chekhov thought about grown-up problems which became painful for him: about awkward, abnormal life, about mercenary spirit and love of gain that are the bane of people’s life. And at the same time - this is the circle of his thoughts about beauty, created by human and nature, about free and happy people, about possibility of happiness in itself.
Źródło:
Acta Neophilologica; 2008, X; 113-117
1509-1619
Pojawia się w:
Acta Neophilologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On quasi-similarity and w-hyponormal operators
Autorzy:
Otieno, M. O.
Powiązania:
https://bibliotekanauki.pl/articles/255574.pdf
Data publikacji:
2007
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
w-hyponormal operators
quasi-similarity
Opis:
In this paper, it is shown that a Putnam-Fuglede type commutativity theorem holds for w-hyponormal operators, the normal parts of quasi-similar w-hyponormal operators are unitarily equivalent and a w-hyponormal spectral operator is normal.
Źródło:
Opuscula Mathematica; 2007, 27, 1; 73-81
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Resolving Conflict and Dependency in Refactoring to a Desired Design
Autorzy:
Moghadam, I H
Cinnéide, M O
Powiązania:
https://bibliotekanauki.pl/articles/953062.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
Refactoring
Refactoring Scheduling
Design Similarity
Opis:
Refactoring is performed to improve software quality while leaving the behaviour of the system unchanged. In practice there are many opportunities for refactoring, however, due to conflicts and dependencies between refactorings, only certain orders of refactorings are applicable. Selecting and ordering an appropriate set of refactorings is a challenging task for a developer. We propose a novel automated approach to scheduling refactorings according to their conflicts and dependencies as well as their contribution to design quality expressed by a desired design. The desired design is an improved version of the current program design, and is produced by the developer. Our approach is capable of detecting conflicts and dependencies between refactorings, and uses a sequence alignment algorithm to identify the degree of similarity between two program designs expressed as sequence of characters, thereby measuring the contribution of a refactoring to achieving the desired design. We evaluated our approach on several sample programs and one non-trivial open source application. Our results demonstrate the ability of the approach to order the input refactorings so as to achieve the desired design even in the presence of intense inter-refactoring conflict and dependency, and when applied to a medium-sized, real-world application.
Źródło:
e-Informatica Software Engineering Journal; 2015, 9, 1; 37-56
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Clustering of data represented by pairwise comparisons
Autorzy:
Dvoenko, Sergey
Powiązania:
https://bibliotekanauki.pl/articles/2183479.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
clustering
k-means
distance
similarity
Opis:
In this paper, experimental data, given in the form of pairwise comparisons, such as distances or similarities, are considered. Clustering algorithms for processing such data are developed based on the well-known k-means procedure. Relations to factor analysis are shown. The problems of improving clustering quality and of finding the proper number of clusters in the case of pairwise comparisons are considered. Illustrative examples are provided.
Źródło:
Control and Cybernetics; 2022, 51, 3; 343--387
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel approach to automated behavioral diagram assessment using label similarity and subgraph edit distance
Autorzy:
Fauzan, Reza
Siahaan, Daniel Oranova
Rochimah, Siti
Triandini, Evi
Powiązania:
https://bibliotekanauki.pl/articles/2097952.pdf
Data publikacji:
2021
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
automated assessment
behavioral diagram
label similarity
similarity assessment
subgraph edit distance
Unified Modeling Language
Opis:
The Unified Modeling Language (UML) is one of the standard languages that are used in modeling software; therefore, UML is widely taught in many universities. Generally, teachers assign students to build UML diagram designs based on a predetermined project; however, the assessment of such assignments can be challenging, and teachers may be inconsistent in assessing their students’ answers. Thus, automated UML diagram assessment becomes essential to maintaining assessment consistency. This study uses a behavioral diagram as the object of research, since it is a commonly taught UML diagram. The behavioral diagram can show a dynamic view of the software. This study proposes a new approach to automatically assessing the similarity of behavior diagrams as reliably as experts do. We divide the assessment into two portions: semantic assessment, and structural assessment. Label similarity is used to calculate semantic assessment, while subgraph edit distance is used to calculate structural assessment. The results suggest that the proposed approach is as reliable as an expert in assessing the similarity between two behavior diagrams. The observed agreement value suggests a strong agreement between the use of experts and the proposed approach.
Źródło:
Computer Science; 2021, 22 (2); 191-207
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Granica i centrum. Problem struktury pojęć w modelu przestrzeni pojęciowych
Borderline and Center: The Problem of Concepts Structure in the Conceptual Spaces Framework
Autorzy:
Gemel, Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/909295.pdf
Data publikacji:
2020-06-26
Wydawca:
Uniwersytet Warszawski. Wydział Filozofii
Tematy:
conceptual spaces
similarity
membership
typicality
vagueness
Opis:
One of the main aims of Peter Gärdenfors’ theory of conceptual spaces is to provide, by means of the geometric methods of representation, a formal model for the prototype structure of concepts. However, his model is not free of theoretical problems regarding an adequate description of the psychologically correct structure of concepts. Therefore, the main purpose of this paper is to raise several questions concerning the relationship between the typicality function and the membership function, as well as to propose some solutions to these problems by offering a model that binds both functions formally. Thus, the proposed model is intended to complement Gärdenfors’ conceptual spaces theory, in which the proper shape of both functions has not been sufficiently problematized. The second aim of the paper is to propose a new approach to vagueness, which is coherent with the formal requirements of the conceptual spaces framework, and at the same time is in line with the solution proposed in the first part of the text.
Źródło:
Filozofia Nauki; 2020, 28, 2; 25-46
1230-6894
2657-5868
Pojawia się w:
Filozofia Nauki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Logarithmic similarity measures on Pythagorean fuzzy sets in admission process
Autorzy:
Arora, Hari Darshan
Naithani, Anjali
Powiązania:
https://bibliotekanauki.pl/articles/2100449.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
intuitionistic fuzzy sets
Pythagorean fuzzy sets
similarity measures
weighted similarity measures
logarithmic function
decision-making
Opis:
The intuitionistic fuzzy sets (IFSs) have a more significant contribution to describing and dealing with uncertainty. The intuitionistic fuzzy measure is a significant consideration in the field of IFSs theory. However, Pythagorean fuzzy sets (PFSs) are an extension of the IFSs. PFSs are more capable of modelling uncertainties than IFSs in real-world decision-making scenarios. The majority of PFSs research has concentrated on establishing decision-making frameworks. A similarity measure is a key concept which measures the closeness of PFSs. IFSs-based similarity measures have been proposed in the literature. This type of similarity measure, however, has a drawback since it cannot satisfy the axiomatic definition of similarity by offering counter-intuitive examples. For this study, a similarity-based on logarithmic function for Pythagorean fuzzy sets (PFSs) is proposed as a solution to the problem. A decision-making approach is presented to ascertain the suitability of careers for aspirants. Additionally, numerical illustration is applied to determine the strength and validity of the proposed similarity measures. The application of the proposed similarity measures is also presented in this article. A comparison of the suggested measures with the existing ones is also demonstrated to ensure the reliability of the measures. The results show that the proposed similarity measures are efficient and reasonable from both numerical and realistic assessments.
Źródło:
Operations Research and Decisions; 2022, 32, 1; 5--24
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality Assessment of Resampled Digital Images by Statistical Metrics
Autorzy:
KORNETA, WOJCIECH
Powiązania:
https://bibliotekanauki.pl/articles/457632.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Rzeszowski
Tematy:
image quality
image resampling
similarity index
Opis:
The visual degradation of resampled (downsampled and then upsampled to the original size) greyscale digital images is quantified by local luminance, contrast and structure statistical comparison indexes. Spatial distributions of these indexes are shown. The global quality of resampled image is quantifiedby the similarity index defined by median values of local indexes. Parameters of this index consistent with the median opinion score are determined. The dependence of global indexes on the size of downsampled image is presented.
Źródło:
Edukacja-Technika-Informatyka; 2017, 8, 3; 282-287
2080-9069
Pojawia się w:
Edukacja-Technika-Informatyka
Dostawca treści:
Biblioteka Nauki
Artykuł

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