Ekow J. Otoo

Publication Activity (10 Years)

Years Active: 1979-2021
Publications (10 Years): 2

Top Topics

Lossless Compression

Parallel Algorithm

Multidimensional Arrays

Top Venues

EAI Endorsed Trans. Scalable Inf. Syst.

Publications

Conrad J. Haupt, Ekow J. Otoo, Ling Cheng
Effect of d-Dimensional Re-orderings on Lossless Compression of Radio-Astronomy and Digital Elevation Data. IEEE Access 9 (2021)
Ekow J. Otoo, Hairong Wang, Gideon Nimako
Multidimensional Sparse Array Storage for Data Analytics. HPCC/SmartCity/DSS (2016)
Ekow J. Otoo, Hairong Wang, Gideon Nimako
New approaches to storing and manipulating multi-dimensional sparse arrays. SSDBM (2014)
Daniel Ohene-Kwofie, Ekow J. Otoo, Gideon Nimako
Concurrent Operations of O2-Tree on Shared Memory Multicore Architectures. EAI Endorsed Trans. Scalable Inf. Syst. 1 (3) (2014)
Ekow J. Otoo, Gideon Nimako, Daniel Ohene-Kwofie
Chunked extendible dense arrays for scientific data storage. Parallel Comput. 39 (12) (2013)
Daniel Ohene-Kwofie, Ekow J. Otoo, Gideon Nimako
Concurrent Operations of O2-Tree on Shared Memory Multicore Architectures. ADC (2013)
Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie
PEXTA: A Parallel Chunked Extendible Dense Array I/O for global array (GA). CLUSTER (2013)
Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie
Chunked Extendible Dense Arrays for Scientific Data Storage. ICPP Workshops (2012)
Ekow J. Otoo, Damilola Osikoya
A scientific concept animation tool for content implementation in e-learning. SAICSIT (2012)
Daniel Ohene-Kwofie, Ekow J. Otoo, Gideon Nimako
O2-Tree: A Fast Memory Resident Index for NoSQL Data-Store. CSE (2012)
Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie
Cache-sensitive MapReduce DGEMM algorithms for shared memory architectures. SAICSIT (2012)
Ekow J. Otoo, Gideon Nimako, Daniel Ohene-Kwofie
Using Chunked Extendible Array for Physical Storage of Scientific Datasets. SC Companion (2012)
Gideon Nimako, Ekow J. Otoo, Daniel Ohene-Kwofie
Fast Parallel Algorithms for Blocked Dense Matrix Multiplication on Shared Memory Architectures. ICA3PP (1) (2012)
Ekow J. Otoo, Ali Pinar, Doron Rotem
A Linear Approximation Algorithm for 2-Dimensional Vector Packing CoRR (2011)
Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao
Dynamic Data Reorganization for Energy Savings in Disk Storage Systems. SSDBM (2010)
Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao
Workload-adaptive management of energy-smart disk storage systems. CLUSTER (2009)
Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao
Energy Smart Management of Scientific Data. SSDBM (2009)
Kesheng Wu, Ekow J. Otoo, Kenji Suzuki
Optimizing two-pass connected-component labeling algorithms. Pattern Anal. Appl. 12 (2) (2009)
Ekow J. Otoo, Doron Rotem, Shih-Chiang Tsao
Analysis of trade-off between power saving and response time in disk storage systems. IPDPS (2009)
Ekow J. Otoo, Doron Rotem
Parallel access of out-of-core dense extendible arrays. CLUSTER (2007)
Ekow J. Otoo, Doron Rotem, Sridhar Seshadri
Optimal chunking of large multidimensional arrays for data warehousing. DOLAP (2007)
Ekow J. Otoo, Doron Rotem
A Storage Scheme for Multi-dimensional Databases Using Extendible Array Files. STDBM (2006)
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
Optimizing bitmap indices with efficient compression. ACM Trans. Database Syst. 31 (1) (2006)
Ekow J. Otoo, Doron Rotem
Efficient Storage Allocation of Large-Scale Extendible Multi-dimensional Scientific Datasets. SSDBM (2006)
Ekow J. Otoo, Doron Rotem, Arie Shoshani
Impact of Admission and Cache Replacement Policies on Response Times of Jobs on Data Grids. Clust. Comput. 8 (4) (2005)
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
Optimizing connected component labeling algorithms. Medical Imaging: Image Processing (2005)
Ekow J. Otoo, Doron Rotem, Alexandru Romosan, Sridhar Seshadri
File Caching in Data Intensive Scientific Applications on Data-Grids. DMG (2005)
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
On the performance of bitmap indices for high cardinality attributes. VLDB (2004)
Ekow J. Otoo, Doron Rotem, Sridhar Seshadri
Efficient Algorithms for Multi-file Caching. DEXA (2004)
Ekow J. Otoo, Doron Rotem, Alexandru Romosan
Optimal File-Bundle Caching Algorithms for Data-Grids. SC (2004)
Ekow J. Otoo, Doron Rotem, Arie Shoshani
mpact of Admission and Cache Replacement Policies on Response Times of Jobs on Data Grids. CLADE (2003)
Ekow J. Otoo, Arie Shoshani
Accurate Modeling of Cache Replacement Policies in a Data Grid. IEEE Symposium on Mass Storage Systems (2003)
Ekow J. Otoo, Frank Olken, Arie Shoshani
Disk cache replacement algorithm for storage resource managers in data grids. SC (2002)
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
Compressing Bitmap Indexes for Faster Search Operations. SSDBM (2002)
Ekow J. Otoo, Arie Shoshani, Seung-won Hwang
Clustering High dimensional Massive Scientific Dataset. SSDBM (2001)
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
A Performance Comparison of bitmap indexes. CIKM (2001)
Ekow J. Otoo, Arie Shoshani, Seung-won Hwang
Clustering High Dimensional Massive Scientific Datasets. J. Intell. Inf. Syst. 17 (2-3) (2001)
Ekow J. Otoo, Hongwen Zhu
Indexing on Spherical Surfaces Using Semi-Quadcodes. SSD (1993)
Ekow J. Otoo, Ron Lake, Wo-Shun Luk, T. H. Merrett, Hanan Samet
Georgraphic Information Systems, A Challenge for the 90's (Panel). VLDB (1992)
Ekow J. Otoo
Linearizing the Directory Growth in Order Preserving Extendible Hashing. ICDE (1988)
Ekow J. Otoo
Locally Balanced Compact Trie Hashing. JCDKB (1988)
Ekow J. Otoo, Nicola Santoro, Doron Rotem
Improving Semi-Join Evaluation in Distributed Query Processing. ICDCS (1987)
Ekow J. Otoo
Balanced Multidimensional Extendible Hash Tree. PODS (1986)
Ekow J. Otoo
A Multidimensional Digital Hashing Scheme for Files With Composite Keys. SIGMOD Conference (1985)
Ekow J. Otoo
A Mapping Function for the Directory of a Multidimensional Extendible Hashing. VLDB (1984)
Ekow J. Otoo, T. H. Merrett
A storage scheme for extendible arrays. Computing 31 (1) (1983)
T. H. Merrett, Ekow J. Otoo
Dynamic Multipaging: A Storage Structure for Large Shared Data Banks. JCDKB (1982)
T. H. Merrett, Ekow J. Otoo
Distribution Models of Relations. VLDB (1979)