Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Rafal Malczok"'
Autor:
Rafal Malczok, Marcin Gorawski
Publikováno v:
Intelligent Data Analysis. 10:361-377
In this paper we present a Spatial Data Warehouse system that we use for aggregation and analysis of huge amounts of spatial data. The data is generated by utilities meters communicating via radio. In order to provide sufficient efficiency for our sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9032bb0aecf53f484c9cc1f5881b95b9
https://doi.org/10.3233/ida-2006-10405
https://doi.org/10.3233/ida-2006-10405
Autor:
Rafal Malczok, Marcin Gorawski
Publikováno v:
Database Systems for Advanced Applications ISBN: 9783642120978
DASFAA (2)
DASFAA (2)
Nowadays computer systems process various types of data such as images, videos, maps, data streams to name a few. In this paper we focus on a problem of answering range-aggregate queries over objects generating data streams. Our motivating example is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60a0dd3bd66d81fbf8013114a1863a92
https://doi.org/10.1007/978-3-642-12098-5_44
https://doi.org/10.1007/978-3-642-12098-5_44
Autor:
Marcin Gorawski, Rafal Malczok
Publikováno v:
Advances in Intelligent Information and Database Systems ISBN: 9783642120893
Advances in Intelligent Information and Database Systems
Advances in Intelligent Information and Database Systems
The process of adapting data warehouse solutions for application in many areas of everyday life causes that data warehouses are used for storing and processing many, often far from standard, kinds of data like maps, videos, clickstreams to name a few
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::950283572e42aa288cbc8d73f5d69409
https://doi.org/10.1007/978-3-642-12090-9_5
https://doi.org/10.1007/978-3-642-12090-9_5
Autor:
Marcin Gorawski, Rafal Malczok
Publikováno v:
Man-Machine Interactions ISBN: 9783642005626
ICMMI
ICMMI
The number of various areas of everyday life where data warehouse systems find their application grows rapidly. They are used not only for business purposes, as it used to be a few years ago, but also in many various domains where huge and rapidly ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e45b9325ed421b50c9094fa65110860
https://doi.org/10.1007/978-3-642-00563-3_64
https://doi.org/10.1007/978-3-642-00563-3_64
Autor:
Marcin Gorawski, Rafal Malczok
Publikováno v:
Parallel Processing and Applied Mathematics ISBN: 9783540681052
PPAM
PPAM
Data processing computer systems store and process large volumes of data. The volumes tend to grow very quickly, especially in data warehouse systems. A few years ago data warehouses were used only for supporting strictly business decisions but nowad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eb6b9d20b0d039932ee193e8080e435
https://doi.org/10.1007/978-3-540-68111-3_23
https://doi.org/10.1007/978-3-540-68111-3_23
Autor:
Rafal Malczok, Marcin Gorawski
Publikováno v:
Advances in Databases and Information Systems ISBN: 9783540378990
ADBIS
ADBIS
Many real-life applications use various kinds of clustering algorithms. Very popular and interesting are applications dealing with spatial data, like on-line map services or traffic tracking systems. A very important branch of spatial systems is tele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7be1442ab5d4b34e9f50cc95593c57c
https://doi.org/10.1007/11827252_24
https://doi.org/10.1007/11827252_24
Autor:
Marcin Gorawski, Rafal Malczok
Publikováno v:
Parallel Processing and Applied Mathematics ISBN: 9783540341413
PPAM
PPAM
In this paper we present a solution called Materialized Aggregate List designed for the storing and processing of long aggregate lists. An aggregate list contains aggregates, calculated from the data stored in the database. In our approach, once crea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0aa18813ee8eb855e98ceaab4a56baa
https://doi.org/10.1007/11752578_8
https://doi.org/10.1007/11752578_8
Autor:
Rafal Malczok, Marcin Gorawski
Publikováno v:
Advances in Information Systems ISBN: 9783540462910
ADVIS
ADVIS
Spatial information processing is an active research field in database technology. Spatial databases store information about the position of individual objects in space [6]. Our current research is focused on providing an efficient caching structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ec72e9189df2c9cc373fa072567a109
https://doi.org/10.1007/11890393_10
https://doi.org/10.1007/11890393_10
Autor:
Marcin Gorawski, Rafal Malczok
Publikováno v:
Data Warehousing and Knowledge Discovery ISBN: 9783540377368
DaWaK
DaWaK
In today’s world of data-mining applications there is a strong need for processing spatial data. Spatial objects clustering is often a crucial operation in applications such as traffic-tracking systems or telemetry-oriented systems. Our current res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90ee407bb6b7b6afa56bb19bad9c8ee1
https://doi.org/10.1007/11823728_40
https://doi.org/10.1007/11823728_40
Autor:
Rafal Malczok, Marcin Gorawski
Publikováno v:
PDP
In this paper we present a spatial telemetric data warehouse (STDW) system that we use for aggregation and analysis of huge amounts of spatial data. The data is generated by utilities meters communicating via radio. In order to provide a sufficient e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02355150494e38c059286953311586c2
https://doi.org/10.1109/empdp.2005.45
https://doi.org/10.1109/empdp.2005.45