Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Sang-Kyun Cha"'
Publikováno v:
Journal of Database Management. 33:1-17
This article proposes an index key compression scheme based on the notion of distinction bits. It proves that the distinction bits of index keys are sufficient information to determine the sorted order of the index keys. The actual compression ratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dd974f71746564102ec0b8765e8100c
https://doi.org/10.4018/jdm.305732
https://doi.org/10.4018/jdm.305732
This paper applies a Spatiotemporal Graph Convolutional Recurrent Neural Network which is a tight combination of a Graph Neural Network (GNN) to a Recurrent Neural Network (RNN) architecture for air pollution forecasting in long-term for the entire c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5615c2f4d843b0146848d34668fcb203
https://doi.org/10.36227/techrxiv.14958552
https://doi.org/10.36227/techrxiv.14958552
Publikováno v:
Recent Challenges in Intelligent Information and Database Systems ISBN: 9789811616846
ACIIDS (Companion)
ACIIDS (Companion)
This paper focuses on developing a social distance alert system using pose estimation for smart edge devices. Recently, with the rapid development of the Deep Learning model for computer vision, a vision-based automatic real-time warning system for s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d8f010e4527672f0bd64752c3ea0e49
https://doi.org/10.1007/978-981-16-1685-3_24
https://doi.org/10.1007/978-981-16-1685-3_24
Autor:
Sang Kyun Cha, Joonyoung Kim, Kyomin Jung, Junyoung Choi, Donghyeon Lee, Insoon Yang, Tien-Cuong Bui, Taewoo Kang
Publikováno v:
Advances in Intelligent Systems and Computing ISBN: 9783030551865
IntelliSys (2)
IntelliSys (2)
With the increase of global economic activities and high energy demand, many countries have raised concerns about air pollution. However, air quality prediction is a challenging issue due to the complex interaction of many factors. In this paper, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77efbe773c9dc464b8a5d4342aa6584f
https://doi.org/10.1007/978-3-030-55187-2_31
https://doi.org/10.1007/978-3-030-55187-2_31
Publikováno v:
BigComp
Recently, air pollution is one of the most concerns for big cities. Predicting air quality for any regions and at any time is a critical requirement of urban citizens. However, air pollution prediction for the whole city is a challenging problem. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac4f7fff128efb56a3449a02c0e0e95d
https://doi.org/10.1109/bigcomp48618.2020.00-99
https://doi.org/10.1109/bigcomp48618.2020.00-99
Publikováno v:
Journal of Computing Science and Engineering. 12:63-76
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::956e8b7c2ba461d0339104ce6dec05d5
https://doi.org/10.5626/jcse.2018.12.2.63
https://doi.org/10.5626/jcse.2018.12.2.63
Autor:
Joo Yeon Lee, Sang Kyun Cha, Juchang Lee, Seunghyun Moon, Kyu Hwan Kim, Wook-Shin Han, Chang Gyoo Park, Kim Deok Hoe, Na Hyoung Jun
Publikováno v:
The VLDB Journal. 27:421-444
Modern in-memory database systems are facing the need of efficiently supporting mixed workloads of OLTP and OLAP. A conventional approach to this requirement is to rely on ETL-style, application-driven data replication between two very different OLTP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f1485d4866cc92d0e25d8563a02063e
https://doi.org/10.1007/s00778-018-0503-z
https://doi.org/10.1007/s00778-018-0503-z
Publikováno v:
Proceedings of the VLDB Endowment. 10:1598-1609
Modern in-memory database systems are facing the need of efficiently supporting mixed workloads of OLTP and OLAP. A conventional approach to this requirement is to rely on ETL-style, application-driven data replication between two very different OLTP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec92452e6205898a529bd66c1d1db028
https://doi.org/10.14778/3137765.3137767
https://doi.org/10.14778/3137765.3137767
Autor:
Kihong Kim, Sunho Lee, Emanuel Ziegler, Yong Sik Kwon, Stephan Muench, Kunsoo Park, Changbin Song, Cheol Ryu, Sang Kyun Cha
Publikováno v:
Database Systems for Advanced Applications ISBN: 9783319556987
DASFAA (2)
DASFAA (2)
User-defined functions such as currency conversion and factory calendar are important ingredients in many business applications. Since currency conversion and factory calendar are expensive user-defined functions, optimizing these functions is essent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae02fb8535767f7eb6c2c2925c7591a1
https://doi.org/10.1007/978-3-319-55699-4_35
https://doi.org/10.1007/978-3-319-55699-4_35
Publikováno v:
Proceedings of the VLDB Endowment. 7:1381-1392
Business planning as well as analytics on top of large-scale database systems is valuable to decision makers, but planning operations known and implemented so far are very basic. In this paper we propose a new planning operation called interval disag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::525f47567a50a5f9cd7d3c6f10e0177c
https://doi.org/10.14778/2733004.2733011
https://doi.org/10.14778/2733004.2733011