Ekow J. Otoo

According to our database, Ekow J. Otoo authored at least 47 papers between 1979 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2021

Effect of d-Dimensional Re-orderings on Lossless Compression of Radio-Astronomy and Digital Elevation Data.

Conrad J. Haupt, Ekow J. Otoo, Ling Cheng

IEEE Access, 2021

2016

Multidimensional Sparse Array Storage for Data Analytics.

Ekow J. Otoo, Hairong Wang, Gideon Nimako

Proceedings of the 18th IEEE International Conference on High Performance Computing and Communications; 14th IEEE International Conference on Smart City; 2nd IEEE International Conference on Data Science and Systems, 2016

2014

Concurrent Operations of O2-Tree on Shared Memory Multicore Architectures.

Daniel Ohene-Kwofie, Ekow J. Otoo, Gideon Nimako

EAI Endorsed Trans. Scalable Inf. Syst., 2014

New approaches to storing and manipulating multi-dimensional sparse arrays.

Ekow J. Otoo, Hairong Wang, Gideon Nimako

Proceedings of the Conference on Scientific and Statistical Database Management, 2014

2013

Chunked extendible dense arrays for scientific data storage.

Ekow J. Otoo, Gideon Nimako, Daniel Ohene-Kwofie

Parallel Comput., 2013

PEXTA: A Parallel Chunked Extendible Dense Array I/O for global array (GA).

Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie

Proceedings of the 2013 IEEE International Conference on Cluster Computing, 2013

2012

Using Chunked Extendible Array for Physical Storage of Scientific Datasets.

Ekow J. Otoo, Gideon Nimako, Daniel Ohene-Kwofie

Proceedings of the 2012 SC Companion: High Performance Computing, 2012

A scientific concept animation tool for content implementation in e-learning.

Ekow J. Otoo, Damilola Osikoya

Proceedings of the 2012 South African Institute of Computer Scientists and Information Technologists Conference, 2012

Cache-sensitive MapReduce DGEMM algorithms for shared memory architectures.

Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie

Proceedings of the 2012 South African Institute of Computer Scientists and Information Technologists Conference, 2012

Fast Parallel Algorithms for Blocked Dense Matrix Multiplication on Shared Memory Architectures.

Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie

Proceedings of the Algorithms and Architectures for Parallel Processing, 2012

O2-Tree: A Fast Memory Resident Index for NoSQL Data-Store.

Daniel Ohene-Kwofie, Ekow J. Otoo, Gideon Nimako

Proceedings of the 15th IEEE International Conference on Computational Science and Engineering, 2012

2011

A Linear Approximation Algorithm for 2-Dimensional Vector Packing

Ekow J. Otoo, Ali Pinar, Doron Rotem

CoRR, 2011

2010

Dynamic Data Reorganization for Energy Savings in Disk Storage Systems.

Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao

Proceedings of the Scientific and Statistical Database Management, 2010

2009

Optimizing two-pass connected-component labeling algorithms.

Kesheng Wu, Ekow J. Otoo, Kenji Suzuki

Pattern Anal. Appl., 2009

Energy Smart Management of Scientific Data.

Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao

Proceedings of the Scientific and Statistical Database Management, 2009

Analysis of trade-off between power saving and response time in disk storage systems.

Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao

Proceedings of the 23rd IEEE International Symposium on Parallel and Distributed Processing, 2009

Workload-adaptive management of energy-smart disk storage systems.

Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao

Proceedings of the 2009 IEEE International Conference on Cluster Computing, August 31, 2009

Accelerating Queries on Very Large Datasets.

Ekow J. Otoo, Kesheng Wu

Proceedings of the Scientific Data Management - Challenges, Technology, and Deployment., 2009

2007

Optimal chunking of large multidimensional arrays for data warehousing.

Ekow J. Otoo, Doron Rotem, Sridhar Seshadri

Proceedings of the DOLAP 2007, 2007

Parallel access of out-of-core dense extendible arrays.

Ekow J. Otoo, Doron Rotem

Proceedings of the 2007 IEEE International Conference on Cluster Computing, 2007

2006

Optimizing bitmap indices with efficient compression.

Kesheng Wu, Ekow J. Otoo, Arie Shoshani

ACM Trans. Database Syst., 2006

A Storage Scheme for Multi-dimensional Databases Using Extendible Array Files.

Ekow J. Otoo, Doron Rotem

Proceedings of the Third STDBM Workshop on Spatio-Temporal Database Management, 2006

Efficient Storage Allocation of Large-Scale Extendible Multi-dimensional Scientific Datasets.

Ekow J. Otoo, Doron Rotem

Proceedings of the 18th International Conference on Scientific and Statistical Database Management, 2006

2005

Impact of Admission and Cache Replacement Policies on Response Times of Jobs on Data Grids.

Ekow J. Otoo, Doron Rotem, Arie Shoshani

Clust. Comput., 2005

Optimizing connected component labeling algorithms.

Kesheng Wu, Ekow J. Otoo, Arie Shoshani

Proceedings of the Medical Imaging 2005: Image Processing, 2005

File Caching in Data Intensive Scientific Applications on Data-Grids.

Ekow J. Otoo, Doron Rotem, Alexandru Romosan, Sridhar Seshadri

Proceedings of the Data Management in Grids, First VLDB Workshop, 2005

2004

On the performance of bitmap indices for high cardinality attributes.

Kesheng Wu, Ekow J. Otoo, Arie Shoshani

Proceedings of the (e)Proceedings of the Thirtieth International Conference on Very Large Data Bases, VLDB 2004, Toronto, Canada, August 31, 2004

Optimal File-Bundle Caching Algorithms for Data-Grids.

Ekow J. Otoo, Doron Rotem, Alexandru Romosan

Proceedings of the ACM/IEEE SC2004 Conference on High Performance Networking and Computing, 2004

Efficient Algorithms for Multi-file Caching.

Ekow J. Otoo, Doron Rotem, Sridhar Seshadri

Proceedings of the Database and Expert Systems Applications, 15th International Conference, 2004

2003

Accurate Modeling of Cache Replacement Policies in a Data Grid.

Ekow J. Otoo, Arie Shoshani

Proceedings of the 20th IEEE/11th NASA Goddard Conference on Mass Storage Systems and Technologies, 2003

mpact of Admission and Cache Replacement Policies on Response Times of Jobs on Data Grids.

Ekow J. Otoo, Doron Rotem, Arie Shoshani

Proceedings of the 1st International Workshop on Challenges of Large Applications in Distributed Environments, 2003

2002

Compressing Bitmap Indexes for Faster Search Operations.

Kesheng Wu, Ekow J. Otoo, Arie Shoshani

Proceedings of the 14th International Conference on Scientific and Statistical Database Management, 2002

Disk cache replacement algorithm for storage resource managers in data grids.

Ekow J. Otoo, Frank Olken, Arie Shoshani

Proceedings of the 2002 ACM/IEEE conference on Supercomputing, 2002

2001

Clustering High Dimensional Massive Scientific Datasets.

Ekow J. Otoo, Arie Shoshani, Seung-won Hwang

J. Intell. Inf. Syst., 2001

Clustering High dimensional Massive Scientific Dataset.

Ekow J. Otoo, Arie Shoshani, Seung-won Hwang

Proceedings of the 13th International Conference on Scientific and Statistical Database Management, 2001

A Performance Comparison of bitmap indexes.

Kesheng Wu, Ekow J. Otoo, Arie Shoshani

Proceedings of the 2001 ACM CIKM International Conference on Information and Knowledge Management, 2001

1993

Indexing on Spherical Surfaces Using Semi-Quadcodes.

Ekow J. Otoo, Hongwen Zhu

Proceedings of the Advances in Spatial Databases, 1993

1992

Georgraphic Information Systems, A Challenge for the 90's (Panel).

Ekow J. Otoo, Ron Lake, Wo-Shun Luk, T. H. Merrett, Hanan Samet

Proceedings of the 18th International Conference on Very Large Data Bases, 1992

1988

Locally Balanced Compact Trie Hashing.

Ekow J. Otoo

Proceedings of the Third International Conference on Data and Knowledge Bases: Improving Usability and Responsiveness, 1988

Linearizing the Directory Growth in Order Preserving Extendible Hashing.

Ekow J. Otoo

Proceedings of the Fourth International Conference on Data Engineering, 1988

1987

Improving Semi-Join Evaluation in Distributed Query Processing.

Ekow J. Otoo, Nicola Santoro, Doron Rotem

Proceedings of the 7th International Conference on Distributed Computing Systems, 1987

1986

Balanced Multidimensional Extendible Hash Tree.

Ekow J. Otoo

Proceedings of the Fifth ACM SIGACT-SIGMOD Symposium on Principles of Database Systems, 1986

1985

A Multidimensional Digital Hashing Scheme for Files With Composite Keys.

Ekow J. Otoo

Proceedings of the 1985 ACM SIGMOD International Conference on Management of Data, 1985

1984

A Mapping Function for the Directory of a Multidimensional Extendible Hashing.

Ekow J. Otoo

Proceedings of the Tenth International Conference on Very Large Data Bases, 1984

1983

A storage scheme for extendible arrays.

Ekow J. Otoo, T. H. Merrett

Computing, 1983

1982

Dynamic Multipaging: A Storage Structure for Large Shared Data Banks.

T. H. Merrett, Ekow J. Otoo

Proceedings of the Second International Conference on Databases: Improving Database Usability and Responsiveness, 1982

1979

Distribution Models of Relations.

T. H. Merrett, Ekow J. Otoo

Proceedings of the Fifth International Conference on Very Large Data Bases, 1979