Filters








9,224 Hits in 4.4 sec

The multidimensional database system RasDaMan

P. Baumann, A. Dehmel, P. Furtado, R. Ritsch, N. Widmann
1998 SIGMOD record  
RasDaMan is being used in several international projects for the management of geo and healthcare data of various dimensionality.  ...  ., domain-independent -array DBMS for multidimensional arrays of arbitrary size and structure. A declarative, SQL-based array query language offers flexible retrieval and manipulation.  ...  INTRODUCTION Arrays of arbitrary size and dimension, so-called Multidimensional Discrete Data (MDD), span a remarkably rich manifold of information -from 1-D time series and 2-D images to OLAP data cubes  ... 
doi:10.1145/276305.276386 fatcat:yyj6ntyogfdchbxhdissz76hgm

Storage of multidimensional arrays based on arbitrary tiling

P. Furtado, P. Baumann
1999 Proceedings 15th International Conference on Data Engineering (Cat. No.99CB36337)  
In this paper, we propose a storage approach for multidimensional discrete data (MDD) based on multidimensional arbitrary tiling.  ...  Storage management of multidimensional arrays aims at supporting the array model needed by applications and insuring fast execution of access operations.  ...  Dehmel for the teamwork in RasDaMan. The first author would also like to thank the Dep. de Matemática da Uni. de Coimbra, Portugal, for supporting her research stay in FORWISS.  ... 
doi:10.1109/icde.1999.754964 dblp:conf/icde/FurtadoB99 fatcat:4mab5n4sv5chtmt35xfszo4oga

The multidimensional database system RasDaMan

P. Baumann, A. Dehmel, P. Furtado, R. Ritsch, N. Widmann
1998 Proceedings of the 1998 ACM SIGMOD international conference on Management of data - SIGMOD '98  
RasDaMan is being used in several international projects for the management of geo and healthcare data of various dimensionality.  ...  ., domain-independent -array DBMS for multidimensional arrays of arbitrary size and structure. A declarative, SQL-based array query language offers flexible retrieval and manipulation.  ...  INTRODUCTION Arrays of arbitrary size and dimension, so-called Multidimensional Discrete Data (MDD), span a remarkably rich manifold of information -from 1-D time series and 2-D images to OLAP data cubes  ... 
doi:10.1145/276304.276386 dblp:conf/sigmod/BaumannDFRW98 fatcat:didyi5rbnvb4xpseu64kdip3ai

Csolap (Continuous Spatial On-Line Analytical Processing)

Taher Omran Ahmed, Abdullatif Mihdi Buras
2009 Zenodo  
In this paper, we discuss research issues related to the integration of continuity in multidimensional structures, present briefly a multidimensional model for continuous field data.  ...  Decision support systems are usually based on multidimensional structures which use the concept of hypercube.  ...  : The discrete representation of continuous data in databases leads to discrete dimensions when data are modeled in multidimensional structures.  ... 
doi:10.5281/zenodo.1079399 fatcat:mk6kucjh6jcozjgf35vo7grit4

Research on the Revolution of Multidimensional Learning Space in the Big Data Environment

Weihua Huang, Zhihan Lv
2021 Complexity  
However, the cluster computing system for hybrid big data applications has the characteristics of heterogeneous requirements, which makes more and more cluster resource managers support fine-grained multidimensional  ...  This article discusses the importance of discrete multidimensional learning resource allocation optimization in dynamic scenarios.  ...  database dimensional learning ce domain ontology database Sematic data mashup Data node Big data and internet of things integration injectio Associated event database mass storage Hadoop  ... 
doi:10.1155/2021/6583491 fatcat:bgk2zv7mzrgibjj4lg3tmtvbwa

Selection of Appropriate Data Storage for Wavelet Transform Coefficients [chapter]

I. Žouželková, R. Vala, M. Juřík
2012 Lecture Notes in Electrical Engineering  
The application should use a database storage system for fast inserting and selecting data.  ...  The tests were focused on different storage engines and used data types. Besides the relational database models, a multidimensional approach was projected and analyzed. I.  ...  The wavelet transform is further used for signal coding, to represent a discrete signal in a less redundant form, and often as a preconditioning for data compression.  ... 
doi:10.1007/978-1-4614-3558-7_47 fatcat:hlkx7pdxabb7jkvts2eqitv6wq

An Array Database Approach for Earth Observation Data Management and Processing

Zhenyu Tan, Peng Yue, Jianya Gong
2017 ISPRS International Journal of Geo-Information  
It allows consistent query semantics in databases and improves the in-database computing by adopting unified array models in databases for EO data.  ...  A multidimensional spatiotemporal array model is proposed for EO data with specific strategies for mapping spatial coordinates to dimensional coordinates in the model transformation.  ...  Acknowledgments: We appreciate the three anonymous reviewers for their very constructive comments that helped improve the quality of the paper.  ... 
doi:10.3390/ijgi6070220 fatcat:jxaxfigfqbcnlk63zshygr2wf4

Spatial databases-accomplishments and research needs

S. Shekhar, S. Chawla, S. Ravada, A. Fetterer, Xuan Liu, Chang-Tien Lu
1999 IEEE Transactions on Knowledge and Data Engineering  
However, more research is needed to improve support for network and field data, as well as query processing (e.g., cost models, bulk load).  ...  Spatial databases, addressing the growing data management and analysis needs of spatial applications such as Geographic Information Systems, have been an active area of research for more than two decades  ...  The interface to the DBMS supports specialized query processing, which in turn supports the core database requirements for achieving acceptable performance.  ... 
doi:10.1109/69.755614 fatcat:yht3pxxi7jajzksaikuvjincoi

Hierarchical Storage Support and Management for Large-Scale Multidimensional Array Database Management Systems [chapter]

Bernd Reiner, Karl Hahn, Gabriele Höfling, Peter Baumann
2002 Lecture Notes in Computer Science  
So tertiary storage memory is only in an insufficient way supported for storing or retrieval of multidimensional array data.  ...  We introduce concepts for efficient hierarchical storage support and management for large-scale multidimensional array database management systems and their integration into the commercial array database  ...  In section 3 we present a concept for efficient storage of multidimensional data. Section 4 will have a focus on the tertiary storage management and support for large MDDs.  ... 
doi:10.1007/3-540-46146-9_68 fatcat:vxdo3xnd7ngzzgnfvdscyzot64

A Blocky and Layered Management Schema for Remote Sensing Data

Beibei Yang, Rui Wang, Wen Zhang, Chenhan Wu, Xujin Wang, Lingkui Meng
2020 IEEE Access  
In the era of rapid data expansion and computer technology development, discrete storage, multiband push and fuzzy query remote sensing data management methods are no longer suitable for the data analysis  ...  Based on a discrete global grid, this paper studies the blocky division method and coding specification of Google S2 and then accomplishes the layered storage of remote sensing data in HBase.  ...  The authors would like to thank the anonymous reviewers for their valuable comments.  ... 
doi:10.1109/access.2020.2997519 fatcat:jvtnnfuambb5lctwl4tchra244

Optimized management of large-scale data sets stored on tertiary storage systems

B. Reiner, K. Hahn
2004 IEEE Distributed Systems Online  
Estedi, an initiative of European database developers, software vendors, and supercomputing centers, seeks to provide a solution for the storage and retrieval of multidimensional HPC array data.  ...  Furthermore, processing data across a multitude of data sets for example, time slices is difficult to support.  ...  Another research topic is parallel query support for multidimensional data. We hope to exploit RasDaMan's inter-and intra-object parallelism techniques to improve tertiary storage access performance.  ... 
doi:10.1109/mdso.2004.5 fatcat:7zrsrhpnmra7ff5u6agdn4citm

MAP-Vis: A Distributed Spatio-Temporal Big Data Visualization Framework Based on a Multi-Dimensional Aggregation Pyramid Model

Guan, Xie, Han, Zeng, Shen, Xing
2020 Applied Sciences  
In MAP-Vis, a high-performance Spark cluster is used as a parallel preprocessing platform, while distributed HBase is used as the massive storage for the generated MAP data.  ...  The proposed MAP model can support the simultaneous hierarchical aggregation of time, space, and attributes, and also later transformation of the derived aggregates into discrete key-value pairs for scalable  ...  Acknowledgments: The authors are grateful to the editor and reviewers for their careful and valuable suggestions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app10020598 fatcat:wmwsr2rfvvde3nyjt7oflvisji

Effective Data Representation and Compression in Ground Data Systems

David A. Maluf, Peter B. Tran, David Tran
2008 IEEE Aerospace Conference. Proceedings  
This approach alleviates the need for traditional database storage systems. It also standardizes and simplifies the data retrieval, decoding, and viewing process.  ...  Storing vast amounts of multidimensional telemetry data presents a challenge.  ...  Eventually, our algorithm will be able to support a database of PDF documents.  ... 
doi:10.1109/aero.2008.4526649 fatcat:j52naa6u5jdiblvir5ux3i2lxe

ProDA

Mehrdad Jahangiri, Cyrus Shahabi
2005 Proceedings of the 2005 ACM SIGMOD international conference on Management of data - SIGMOD '05  
in support of the OSA queries.  ...  Towards this end, we have designed and developed a data storage and retrieval system, called ProDA, which deploys wavelet transform and provides fast approximate answers with progressively increasing accuracy  ...  We chose Oracle as our relational database management system for data storage and we modelled our multidimensional data cubes using the star schema.  ... 
doi:10.1145/1066157.1066278 dblp:conf/sigmod/JahangiriS05 fatcat:5jrc4nyp6fcurmoidyygroo5qe

The Case for RodentStore, an Adaptive, Declarative Storage System [article]

Philippe Cudre-Mauroux
2009 arXiv   pre-print
In this paper, we make the case for RodentStore, an adaptive and declarative storage system providing a high-level interface for describing the physical representation of data.  ...  Recent excitement in the database community surrounding new applications?analytic, scientific, graph, geospatial, etc.?has led to an explosion in research on database storage systems.  ...  STORAGE DESIGN OPTIMIZER In many cases, we anticipate that the database administrator will want to manually specify the storage algebra for his or her database.  ... 
arXiv:0909.1779v1 fatcat:qv4i7nsscjavfnfvyikyag5tdy
« Previous Showing results 1 — 15 out of 9,224 results