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Wyświetlanie 1-10 z 86
Tytuł:
Heterogeneous Indexing Register for Object Database
Autorzy:
Chromiak, M.
Powiązania:
https://bibliotekanauki.pl/articles/106305.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
database
data integration
data
object database
Opis:
Even though the object oriented persistent stores has not gained large commercial adaptation rate, it still is an interesting research field in many aspects including the data integration. Persistent data integration is a very challenging goal in modern computer systems. This paper presents a proposal for application of effective indexing integration scheme for distributed and heterogeneous data environment using an object database as the central store.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2016, 16, 2; 7-13
1732-1360
2083-3628
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using advanced data mining and integration in environmental prediction scenarios
Autorzy:
Habala, O.
Hluchy, L.
Tran, V.
Krammer, P.
Seleng, M.
Powiązania:
https://bibliotekanauki.pl/articles/305607.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
data mining
data integration
meteorology
hydrology
Opis:
We present one of the meteorological and hydrological experiments performed in the FP7 project ADMIRE. It serves as an experimental platform for hydrologists, and we have used it also as a testing platform for a suite of advanced data integration and data mining (DMI) tools, developed within ADMIRE. The idea of ADMIRE is to develop an advanced DMI platform accessible even to users who are not familiar with data mining techniques. To this end, we have designed a novel DMI architecture, supported by a set of software tools, managed by DMI process descriptions written in a specialized high-level DMI language called DISPEL, and controlled via several different user interfaces, each performing a different set of tasks and targeting different user group.
Źródło:
Computer Science; 2012, 13 (1); 5-16
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Data Integration and Small Domain Estimation in Poland – Experiences and Problems
Autorzy:
Gołata, Elżbieta
Powiązania:
https://bibliotekanauki.pl/articles/465898.pdf
Data publikacji:
2012
Wydawca:
Główny Urząd Statystyczny
Tematy:
Small domain estimation
data integration
Opis:
The aim of the study could be identified twofold. On the one hand, it was a presentation of Polish experiences as concerns the most important methodological issues of contemporary statistics. These are the problems of data integration (DI) and statistical estimation for small domains (SDE).On the other hand, attempts to determine relationship between these two groups of methods were undertaken. Given convergence of the objectives of both SDE and DI, that is: striving to increase efficiency of the use of existing sources of information, simulation study was conducted. It was aimed at verifying the hypothesis of synergies referring to combined application of both groups of methods: SDE and DI.
Źródło:
Statistics in Transition new series; 2012, 13, 1; 107-142
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lidarometry as a Variant of Integration of Photogrammetric and Laser Scanning Data
Autorzy:
Rzonca, A.
Majek, K.
Powiązania:
https://bibliotekanauki.pl/articles/114345.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
lidarometry
data integration
orthoscan
stereoscopy
Opis:
This publication aim is discussing the issue of lidarometry – a stereoscopic point cloud display for measurement purposes. The authors state that lidarometry constitutes a valuable variant of integration for photogrammetric and scanning data. A point cloud in lidarometry may be subject to stereoscopic observation and measurement to perform vectorization identically as in photogrammetry. Apart from 3D point cloud display enabled by several programmes in the world, the authors describe the method of synthetic stereograms generation using the artificial image pair sampling, Such solution presents an additional aspect of scanning and photogrammetric data integration and enables thorough analysis of the method. In this publication, the authors describe the genesis and variants of lidarometry. The authors determine the relation of lidarometric measurements accuracy to conventional stereophotogrammetric measurement accuracy. They also provide the optimum point cloud resolution for stereo measurements to terrain pixels size of the measured photograms.
Źródło:
Measurement Automation Monitoring; 2016, 62, 8; 268-273
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agent-based data integration framework
Autorzy:
Faber, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/305369.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
data integration
multi-agent systems
Opis:
Combining data from diverse, heterogeneous sources while facilitating a unified access to it is an important (albeit difficult) task. There are various possibilities of performing it. In this publication, we propose and describe an agent-based framework dedicated to acquiring and processing distributed, heterogeneous data collected from diverse sources (e.g., the Internet, external software, relational, and document databases). Using this multi-agent-based approach in the aspects of the general architecture (the organization and management of the framework), we create a proof-of-concept implementation. The approach is presented using a sample scenario in which the system is used to search for personal and professional profiles of scientists.
Źródło:
Computer Science; 2014, 15 (4); 389-410
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integration of Remote Sensing Data in a Cloud Computing Environment
Autorzy:
Sabri, Yassine
Bahja, Fadoua
Pet, Henk
Powiązania:
https://bibliotekanauki.pl/articles/2055265.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
remote sensing
data integration
cloud computing
big data
Opis:
With the rapid development of remote sensing technology, our ability to obtain remote sensing data has been improved to an unprecedented level. We have entered an era of big data. Remote sensing data clear showing the characteristics of Big Data such as hyper spectral, high spatial resolution, and high time resolution, thus, resulting in a significant increase in the volume, variety, velocity and veracity of data. This paper proposes a feature supporting, salable, and efficient data cube for time-series analysis application, and used the spatial feature data and remote sensing data for comparative study of the water cover and vegetation change. In this system, the feature data cube building and distributed executor engine are critical in supporting large spatiotemporal RS data analysis with spatial features. The feature translation ensures that the geographic object can be combined with satellite data to build a feature data cube for analysis. Constructing a distributed executed engine based on dask ensures the efficient analysis of large-scale RS data. This work could provide a convenient and efficient multidimensional data services for many remote sensing applications.
Źródło:
International Journal of Electronics and Telecommunications; 2022, 68, 1; 167--172
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Review of Methods of Combined Orientation of Photogrammetric and Laser Scanning Data
Autorzy:
Rzonca, A.
Powiązania:
https://bibliotekanauki.pl/articles/114401.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
laser scanning
photogrammetry
co-registration
data integration.
Opis:
The objective of the paper is to review the state of the art of analytical methods of integration of photogrammetric and laser scanning data which is an important scientific and practical issue. Basing on the conclusions included in previous studies, it can be observed that the analytical integration of photogrammetric and laser scanning data is an interesting area of research, especially in case of absolute orientation of images and point clouds in a sequential or one-stage adjustment process. The results of the state-of-the-art analysis are shown according to four division criteria: method of registration, workflow stage, data capture technology and calculation order. After presenting all aspects of the problem, the author proposes the two-step classification of variants of data analytical integration based on order of orientation calculation and methods of registration.
Źródło:
Measurement Automation Monitoring; 2018, 64, 3; 57-62
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Designing of structural ontological data systems model for mash-up integration process
Autorzy:
Kushniretska, I
Kushniretska, O
Berko, A
Powiązania:
https://bibliotekanauki.pl/articles/117987.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
Mash-Up data integration
ontological modeling
ontological data model
Opis:
This paper describes the construction of structural ontological data systems model in the process of data integration. The usage of ontologies in the context of improving the process of dynamic semantic data integration has been characterized. The algorithm of constructing of structural ontological data integrated systems model has been designed. This algorithm is based on the rules of using and application of ontological modeling. The algorithm as a sequence of five steps describing tasks for each of them has been presented.
Źródło:
Applied Computer Science; 2015, 11, 1; 39-50
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integration of data from heterogeneous sources using ETL technology
Autorzy:
Macura, M.
Powiązania:
https://bibliotekanauki.pl/articles/305533.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
data integration
integration approaches
ETL technology
knowledge discovery from data
business intelligence
Opis:
Data integration is a crucial issue in the environments of heterogeneous data sources. At present, the afore-mentioned heterogeneity is becoming widespread. Based on various data sources, if we want to gain useful information and knowledge, we must solve data integration problems in order to apply appropriate analytical methods to comprehensive and uniform data. Such activity is known as knowledge discovery from the data process. Therefore, approaches to the data integration problem are very interesting and bring us closer to the “age of information”. This paper presents an architecture which implements knowledge discovery from the data process. The solution combines ETL technology and a wrapper layer known from mediated systems. It also provides semantic integration through connection mechanism between data elements. The solution allows for integration of any data sources and implementation of analytical methods in one environment. The proposed environment is verified by applying it to data sources in the foundry industry.
Źródło:
Computer Science; 2014, 15 (2); 109-132
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatial microsimulation of personal income in Poland at the level of subregions
Autorzy:
Roszka, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/1193070.pdf
Data publikacji:
2019-08-30
Wydawca:
Główny Urząd Statystyczny
Tematy:
data integration
spatial microsimulation
small area estimation
synthetic data generation
Opis:
The paper presents an application of spatial microsimulation methods for generating a synthetic population to estimate personal income in Poland in 2011 using census tables and EU-SILC 2011 microdata set. The first section presents a research problem and a brief overview of modern estimation methods in application to small domains with particular emphasis on spatial microsimulation. The second section contains an overview of selected synthetic population generation methods. In the last section personal income estimation on NUTS 3 level is presented with special emphasis on the quality of estimates.
Źródło:
Statistics in Transition new series; 2019, 20, 3; 133-153
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 86

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