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Wyświetlanie 1-15 z 56
Tytuł:
Searching Design Patterns Fast by Using Tree Traversals
Autorzy:
Cicciarella, S.
Napoli, C.
Tramontana, E.
Powiązania:
https://bibliotekanauki.pl/articles/226611.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
design patterns
source code analysis
software architecture
tree traversals
Opis:
Large software systems need to be modified to remain useful. Changes can be more easily performed when their design has been carefully documented. This paper presents an approach to quickly find design patterns that have been implemented into a software system. The devised solution greatly reduces the performed checks by organising the search for a design pattern as tree traversals, where candidate classes are carefully positioned into trees. By automatically tagging classes with design pattern roles we make it easier for developers to reason with large software systems. Our approach can provide documentation that lets developers understand the role each class is playing, assess the quality of the code, have assistance for refactoring and enhancing the functionalities of the software system.
Źródło:
International Journal of Electronics and Telecommunications; 2015, 61, 4; 321-326
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
W stronę badań słowiańskich kontekstów staropolskich apokryfów (1) O czeskiej podstawie fragmentu Rozmyślania przemyskiego
Autorzy:
Borowiec, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/776852.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
"Rozmyślanie przemyskie"
"Zivot Krista Pana"
source text analysis
apocrypha
Opis:
The goal of this article is to provide evidence that the author of Rozmyślanie przemyskie resorted to non-Latin written sources when writing his apocrypha. The author of this article has analysed the parts of the oldest Czech version of Život Krista Pána and the analogical parts of Rozmyślanie przemyskie and has indicated the similarities and records which undoubtedly result from an erroneous interpretation or the translator’s wrong understanding of the sense of the Czech version. Therefore evidence has been provided that the Polish version of the apocrypha was based also on the Czech source. By excluding a possibility of the author resorting directly to the full version of the Czech apocrypha (rather, he included into the narration a Czech sermon or a piece of Život Krista Pána which existed as a separate text), the author of the article suggests that the Polish Biblical apocrypha be viewed with respect to the Czech texts.
Źródło:
Slavia Occidentalis; 2015, 72/1; 7-25
0081-0002
Pojawia się w:
Slavia Occidentalis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Three Dimensional Empirical Study of Logging Questions From Six Popular Q & A Websites
Autorzy:
Gujral, Harshit
Sharma, Abhinav
Lal, Sangeeta
Kumar, Lov
Powiązania:
https://bibliotekanauki.pl/articles/384178.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
classification
debugging
ensemble
logging
machine learning
source code analysis
tracing
Opis:
Background: Q&A websites such as StackOverflow or Serverfault provide an open platform for users to ask questions and to get help from experts present worldwide. These websites not only help users by answering their questions but also act as a knowledge base. These data present on these websites can be mined to extract valuable information that can benefit the software practitioners. Software engineering research community has already understood the potential benefits of mining data from Q&A websites and several research studies have already been conducted in this area. Aim: The aim of the study presented in this paper is to perform an empirical analysis of logging questions from six popular Q&A websites. Method: We perform statistical, programming language and content analysis of logging questions. Our analysis helped us to gain insight about the logging discussion happening in six different domains of the StackExchange websites. Results: Our analysis provides insight about the logging issues of software practitioners: logging questions are pervasive in all the Q&A websites, the mean time to get accepted answer for logging questions on SU and SF websites are much higher as compared to other websites, a large number of logging question invite a great amount of discussion in the SoftwareEngineering Q&A website, most of the logging issues occur in C++ and Java, the trend for number of logging questions is increasing for Java, Python, and Javascript, whereas, it is decreasing or constant for C, C++, C#, for the ServerFault and Superuser website 'C' is the dominant programming language.
Źródło:
e-Informatica Software Engineering Journal; 2019, 13, 1; 105-139
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Instrukcje królewskie na sejmiki przedsejmowe doby panowania Michała I i Jana III
Royal instructions for the pre-sejm assemblies from the reign of Michał I and Jan III
Královské instrukce pro předsněmovní partikulární sněmy (sejmiky) za vlády Michala I. a Jana III
Autorzy:
Dąbrowski, Paweł Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/6373180.pdf
Data publikacji:
2023-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
parlamentaryzm
instrukcje królewskie
sejmiki przedsejmowe
analiza źródłoznawcza
ekspedycja przedsejmowa
source analysis
parliamentarism
royal instructions
pre-parliamentary expedition
pre-sejm assemblies
Opis:
The article is about the source analysis of royal services for pre-sejm assemblies with the help of multidimensional analyzes, statistical and comparative research. Therefore, it shows the documents from the reign of Michał I and Jan III in depth.
Źródło:
Historia Slavorum Occidentis; 2023, 2(37); 35-69
2084-1213
Pojawia się w:
Historia Slavorum Occidentis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Материалы интернет-блогов как источник личного происхождения
Materiały blogów internetowych jako źródło pochodzenia osobistego
Autorzy:
Славко, Маргарита
Powiązania:
https://bibliotekanauki.pl/articles/969790.pdf
Data publikacji:
2020
Wydawca:
Towarzystwo Nauki i Kultury Libra
Tematy:
интернет-блог
исторический источник
источниковедческий анализ
история России
блоги чиновников
blog internetowy
źródło historyczne
analiza źródła
historia Rosji
blogi urzędników
Internet blog
historical source
source analysis
Russian history
official blogs
Opis:
The article is devoted to the analysis of Internet blogs as a source of personal origin. The paper gives the concept of an online blog; describes the specifics of various Internet platforms; problems faced by a researcher using blogs as a historical source; features of source analysis of online blogs. The author examines certain categories of personal blogs, for example, blogs of Russian officials. The role of Internet blogs in studying the history of Russia at the beginning of the XXI century is touched.
Źródło:
Wschodni Rocznik Humanistyczny; 2020, XVII, 1; 177-186
1731-982X
Pojawia się w:
Wschodni Rocznik Humanistyczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Z metodologii badań toponomastycznych. W poszukiwaniu staroruskich nazw miejscowości na terenie dzisiejszej Zamojszczyzny
Selected Issues in Toponomastic Research. In Search of Old Ruthenian Place Names in the Area of Contemporary Region of Zamość
Autorzy:
Makarski, Władysław
Powiązania:
https://bibliotekanauki.pl/articles/1886665.pdf
Data publikacji:
2014
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
metoda źródłowa
archeologiczna
monastyczna i filologiczna w ustalaniu metryki osad i ich nazw
source analysis method
archaeological method
monastic and philological method in establishing settlements' metrics and their related place names
Opis:
W artykule przedstawiono różne metody, służące rekonstrukcji historycznej mapy osadniczo-nazewniczej na wybranym wycinku pogranicza polsko-ukraińskiego, odpowiadającym obecnej Zamojszczyźnie. W rekonstrukcji tej mapy w okresie plemiennym (do końca X wieku) i później staroruskim (do 2. połowy XIV wieku) z powodu niedostatku źródeł pisanych, rejestrujących dla tego okresu tylko kilkanaście ojkonimów, posłużono się metodą archeologiczną, która pozwoliła ustalić siatkę najdawniejszych osad grodowych, ale niekoniecznie pierwotnych związanych z nimi nominacji. Tych w największym stopniu można poszukiwać, posługując się metodą filologiczną, polegającą na ustalaniu metryki nazw na podstawie ich archaicznych cech językowych: w planie semantycznym i morfologicznym.
This article presents a variety of methods used in reconstructing a historical map of settlements and place names in a section of the Polish-Ukrainian borderland which covers the area of the contemporary region of Zamość. In the process of reconstructing the map in the tribal period (until the end of the 10th c.) and then in the Old Ruthenian period (until the mid-14th c.), the archaeological method was used, due to the substantial lack of written sources, with only dozen of place names preserved. The use of the archaeological method allowed a reconstruction of the oldest network of settlements and towns, yet not necessarily the place names they had been given originally. The latter can be sought with the greatest chance of success with the use of the philological method, which consists in establishing a metrics of a place name on the basis of their archaic language features: semantic and morphological.
Źródło:
Roczniki Humanistyczne; 2014, 62, 6; 85-100
0035-7707
Pojawia się w:
Roczniki Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary PM2.5 and PM10 fractions source apportionment complemented by statistical accuracy determination
Autorzy:
Samek, L.
Stegowski, Z.
Furman, L.
Powiązania:
https://bibliotekanauki.pl/articles/971538.pdf
Data publikacji:
2016
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
chemical analysis
particulate matter
source identification
Opis:
Samples of PM10 and PM2.5 fractions were collected between the years 2010 and 2013 at the urban area of Krakow, Poland. Numerous types of air pollution sources are present at the site; these include steel and cement industries, traffic, municipal emission sources and biomass burning. Energy dispersive X-ray fluorescence was used to determine the concentrations of the following elements: Cl, K, Ca, Ti, Mn, Fe, Ni, Cu, Zn, Br, Rb, Sr, As and Pb within the collected samples. Defi ning the elements as indicators, airborne particulate matter (APM) source profiles were prepared by applying principal component analysis (PCA), factor analysis (FA) and multiple linear regression (MLR). Four different factors identifying possible air pollution sources for both PM10 and PM2.5 fractions were attributed to municipal emissions, biomass burning, steel industry, traffic, cement and metal industry, Zn and Pb industry and secondary aerosols. The uncertainty associated with each loading was determined by a statistical simulation method that took into account the individual elemental concentrations and their corresponding uncertainties. It will be possible to identify two or more sources of air particulate matter pollution for a single factor in case it is extremely difficult to separate the sources.
Źródło:
Nukleonika; 2016, 61, 1; 75-83
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of the heat source and thermal material model parameters for the laser engineered net shaping
Autorzy:
Hajder, Lucyna
Zhang, Tao
Nguyen, Vu
Powiązania:
https://bibliotekanauki.pl/articles/29520077.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
additive manufacturing
finite element analysis
heat source model
thermal analysis
Opis:
The research’s primary goal is to identify the heat source and thermal material model parameters for the numerical simulation of the laser engineered net shaping (LENS). Inconel 718 was selected as a case study for the current investigation. The LENS process’s numerical model was developed within commercial finite element software and was used as a direct problem model during the parameter identification stage. Experimental data were obtained based on a rectangular-shaped sample with thermocouples located under the based material surface. The recorded thermal profiles were used to establish a goal function for the parameter identification stage. As a result, parameters describing the melt pool geometry during the additive manufacturing, as well as thermal coefficients describing interactions between the sample material and surrounding/base material, were determined.
Źródło:
Computer Methods in Materials Science; 2022, 22, 1; 43-54
2720-4081
2720-3948
Pojawia się w:
Computer Methods in Materials Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Extracting Features from the On-Line News for Making Templates Used in the Process of Educating the Next Generation of Politicians
Autorzy:
Cioca, Marius
Cioca, Lucian-Ionel
Cioranu, Cosmin
Gifu, Daniela
Powiązania:
https://bibliotekanauki.pl/articles/26184545.pdf
Data publikacji:
2013-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
text classification
analysis
open source
political domain
Opis:
This paper presents an application for extracting features used in the process of education of politicians based on Open Source technologies, for extracting features from the public press; it enables the user to analyze data from text files and from the Internet. The analyzed data are from the field of politics, a topic which is both a current one and a cyclic process, occurring every four years for the parliamentary elections and every five years for the presidential elections. A specific political vocabulary was compiled for feature identification and analysis and for the interpretation of results obtained.
Źródło:
The New Educational Review; 2013, 32; 275-287
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of hydrochemistry for inrush water source identification in coal mine: approach based on statistical analysis
Autorzy:
Sun, L.
Powiązania:
https://bibliotekanauki.pl/articles/89041.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Wydział Geoinżynierii, Górnictwa i Geologii. Instytut Górnictwa
Tematy:
inrush water
coal mine
source identification
statistical analysis
hydrochemistry
Opis:
The source of chemical constituents in the groundwater and the source of inrush water are two important issues related to the hydrochemical evolution and safety of coal mining in coalfield of China, respectively. In this study, major ion concentrations of thirty-four groundwater samples from three representative aquifers in northern Anhui province, China have been analyzed by a series of statistical methods for tracing the sources of major ions and inrush water. The differences of major ion concentrations in groundwater from different aquifers indicate that they have undergone different types and degrees of water rock interactions, and provide the possibility for water source identification based on major ions. Factor analysis has identified two potential sources responsible for the major ion concentrations of the groundwater, including dissolution of carbonates and evaporates and the weathering of silicate minerals, which was further confirmed by the Unmix model analysis. Discriminant analysis can classify the sources of groundwater with high efficiency, similar to the results obtained based on the source contributions of the Unmix model analysis. In summary, different with those of factor and discriminant analysis, the Unmix model analysis can provide information about source of major ions and water simultaneously.
Źródło:
Mining Science; 2018, 25; 101-110
2300-9586
2353-5423
Pojawia się w:
Mining Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inverse method for a one-stage spur gear diagnosis
Autorzy:
Akrout, A.
Tounsi, D.
Taktak, M.
Abbes, M. S.
Haddar, M.
Powiązania:
https://bibliotekanauki.pl/articles/949292.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
Independent Component Analysis (ICA)
source identification
gear mechanism
geometrical defects
Opis:
In this paper, a source separation approach based on the Blind Source Separation (BSS) is presented. In fact, the Independent Component Analysis (ICA), which is the main technique of BSS, consists in extracting different source signals from several observed mixtures. This inverse method is very useful in many fields such as telecommunication, signal processing and biomedicine. It is also very attractive for diagnosis of mechanical systems such as rotating machines. Generally, dynamic responses of a given mechanical system (displacements, accelerations and speeds) measured through sensors are used as inputs for the identification of internal defaults. In this study, the ICA concept is applied to the diagnosis of a one-stage gear mechanism in which two types of defects (the eccentricity error and the localized tooth defect)are introduced. The finite element method allows determination of the signals corresponding to the acceleration in some locations of the system, and those signals may be used also in the ICA algorithm. Hence, the vibratory signatures of each defect can be identified by the ICA concept. Thus, a good agreement is obtained by comparing the expected default signatures to those achieved by the developed inverse method.
Źródło:
Journal of Theoretical and Applied Mechanics; 2015, 53, 3; 617-628
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ECLogger: Cross-Project Catch-Block Logging Prediction Using Ensemble of Classifiers
Autorzy:
Lal, S.
Sardana, N.
Sureka, A.
Powiązania:
https://bibliotekanauki.pl/articles/953061.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
classification
debugging
ensemble logging
machine learning
source code
analysis
tracing
Opis:
Background: Software developers insert log statements in the source code to record program execution information. However, optimizing the number of log statements in the source code is challenging. Machine learning based within-project logging prediction tools, proposed in previous studies, may not be suitable for new or small software projects. For such software projects, we can use cross-project logging prediction. Aim: The aim of the study presented here is to investigate cross-project logging prediction methods and techniques. Method: The proposed method is ECLogger, which is a novel, ensemble-based, cross-project, catch-block logging prediction model. In the research We use 9 base classifiers were used and combined using ensemble techniques. The performance of ECLogger was evaluated on on three open-source Java projects: Tomcat, CloudStack and Hadoop. Results: ECLoggerBagging, ECLoggerAverageVote, and ECLoggerMajorityVote show a considerable improvement in the average Logged F-measure (LF) on 3, 5, and 4 source!target project pairs, respectively, compared to the baseline classifiers. ECLoggerAverageVote performs best and shows improvements of 3.12% (average LF) and 6.08% (average ACC – Accuracy). Conclusion: The classifier based on ensemble techniques, such as bagging, average vote, and majority vote outperforms the baseline classifier. Overall, the ECLoggerAverageVote model performs best. The results show that the CloudStack project is more generalizable than the other projects.
Źródło:
e-Informatica Software Engineering Journal; 2017, 11, 1; 7-38
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CDMA wireless system with blind multiuser detector
Autorzy:
Leong, W. Y.
Homer, J.
Powiązania:
https://bibliotekanauki.pl/articles/309140.pdf
Data publikacji:
2006
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
code division multiple access
independent component analysis
blind source separation
Opis:
In this paper we present an approach capable of countering the presence of multiple access interference (MAI) in code division multiple access (CDMA) channels. We develop and implement a blind multiuser detector, based on an independent component analysis (ICA) to mitigate both MAI and noise. This algorithm has been utilized in blind source separation (BSS) of unknown sources from their linear mixtures. It can also be used for estimation of the basis vectors of BSS. The aim is to include an ICA algorithm within a wireless receiver in order to reduce the level of interference in CDMA systems. This blind multiuser detector requires less precise knowledge of the channel than does the conventional single-user receiver. The proposed blind multiuser detector is made robust with respect to imprecise knowledge of the received signature waveforms of the user of interest. Several experiments are performed in order to verify the validity of the proposed learning algorithm.
Źródło:
Journal of Telecommunications and Information Technology; 2006, 1; 69-75
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Plane strain deformation in a thermoelastic microelongated solid with internal heat source
Autorzy:
Ailawalia, P.
Sachdeva, S. K.
Pathania, D. S.
Powiązania:
https://bibliotekanauki.pl/articles/265041.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
thermoelasticity
microelongation
heat source
normal mode analysis
termosprężystość
źródło ciepła
odkształcenie
Opis:
The purpose of this paper is to study the two dimensional deformation due to an internal heat source in a thermoelastic microelongated solid. A mechanical force is applied along an overlaying elastic layer of thickness h. The normal mode analysis has been applied to obtain the exact expressions for the displacement component, force stress, temperature distribution and microelongation. The effect of the internal heat source on the displacement component, force stress, temperature distribution and microelongation has been depicted graphically for Green-Lindsay (GL) theory of thermoelasticity.
Źródło:
International Journal of Applied Mechanics and Engineering; 2015, 20, 4; 717-731
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of the spatial database for shoreline change analysis and visualisation: example from the western Polish coast, southern Baltic Sea
Autorzy:
Kostecki, Robert
Powiązania:
https://bibliotekanauki.pl/articles/1051530.pdf
Data publikacji:
2019-01-09
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
shoreline change analysis
spatial database
open source GIS software
PostGIS
PostgreSQL
Opis:
The main aim of the study was to introduce a spatial database application for the estimation of changes in shoreline position. The open-source PostgreSQL database system with the PostGIS spatial extension was used as the data store for digitalised shorelines. The solution to calculations of the shoreline changes was based on the functions written in the PL/SQL language and geospatial functions provided by the PostGIS extension. The traditional baseline and transects method was used to quantify the distances and rate of shoreline movement. Outputs of the calculations were stored in the database table and simply visualised using graphical functions in the R software environment or in GIS Desktop software. The advantage of presented method is the application of SQL language in the analysis of the relation between the geometry of shorelines stored in the database table, which, compared to other similar solutions, gives the user fully open, simple analytical code and enable selecting custom parameters of analysis, modifying code and performing additional calculations
Źródło:
Quaestiones Geographicae; 2018, 37, 3; 25-34
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 56

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