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Displaying 1-50 out of 37,822 total
m-Privacy for Collaborative Data Publishing
Found in: IEEE Transactions on Knowledge and Data Engineering
By Slawomir Goryczka,Li Xiong,Benjamin C. M. Fung
Issue Date:August 2014
pp. 1
In this paper, we consider the collaborative data publishing problem for anonymizing horizontally partitioned data at multiple data providers. We consider a new type of "insider attack" by colluding data providers who may use their own data recor...
Design-based research - the educational technology variant of design research: illustrated by the design of an m-learning environment
Found in: Proceedings of the South African Institute for Computer Scientists and Information Technologists Conference (SAICSIT '13)
By M. R. (Ruth) de Villiers, P. A. Harpur
Issue Date:October 2013
pp. 252-261
This paper, a meta-research study, focuses on design-based research (DBR), the educational technology variant of design science research (DSR). DBR is applied to develop and evaluate an m-learning environment, Mobile Learning Research (m-LR) delivered by m...
M-Sieve: A visualisation tool for supporting network security analysts: VAST 2012 Mini Challenge 1 award: “Subject matter expert's award”
Found in: 2012 IEEE Conference on Visual Analytics Science and Technology (VAST)
By S. Choudhury,N. Kodagoda,P. Nguyen,C. Rooney,S. Attfield,K. Xu,Y. Zheng,B. L. W. Wong,R. Chen,G. Mapp,L. Slabbert,M. Aiash,A. Lasebae
Issue Date:October 2012
pp. 265-266
The Middlesex Spatial Interactive Visualisation Environment (M-Sieve) is a spatiotemporal visual analytics tool for exploring computer network activity. M-Sieve allows the user to filter and visualize data through facets to explore and find patterns. To he...
Interference-free regions with Han-Kobayashi scheme for M-QAM and scalar channels
Found in: 2012 IEEE 8th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)
By Paresh Saxena,M. A. Vazquez-Castro
Issue Date:October 2012
pp. 211-218
For the two-user interference channel, the Han- Kobayashi (HK) scheme is known to achieve optimal rates within one bit of the capacity for Gaussian codebooks. In this paper, we propose its practical implementation based on finite M-QAM constellations. For ...
Workload Balancing for Highly Available Services: The Case of the N+M Redundancy Model
Found in: Dependable, Autonomic and Secure Computing, IEEE International Symposium on
By A. Kanso,F. Khendek,M. Toeroe
Issue Date:December 2011
pp. 97-104
In today's information based world the demand on highly available services is ever increasing. Fault tolerant systems are capable of providing the expected services even in the presence of a failure. This is achieved through the redundancy of the service p...
Reconfigurable FPGA-Based Unit for Singular Value Decomposition of Large m x n Matrices
Found in: Reconfigurable Computing and FPGAs, International Conference on
By Luis M. Ledesma-Carrillo,Eduardo Cabal-Yepez,Rene de J. Romero-Troncoso,Arturo Garcia-Perez,Roque A. Osornio-Rios,Tobia D. Carozzi
Issue Date:December 2011
pp. 345-350
Singular value decomposition (SVD) allows the factorization of real or complex matrices providing quantitative information with fewer dimensions along which data points exhibit more variation. These days SVD computation is being used in numerous applicatio...
Jeannette M. Wing @ PCAST; Barbara Liskov keynote
Found in: Communications of the ACM
By Jeannette M. Wing, Valerie Barr
Issue Date:September 2011
pp. 10-11
The Communications Web site,, features more than a dozen bloggers in the BLOG@CACM community. In each issue of Communications, we'll publish selected posts or excerpts.twitterFollow us on Twitter at
An analytical G/M/1 queueing model for providing guaranteed QoS in multimedia surveillance
Found in: Multimedia and Expo, IEEE International Conference on
By Mohsin Iftikhar,M. Anwar Hossain
Issue Date:July 2011
pp. 1-6
Data gathering in a timely and reliable fashion has been a key concern in Wireless Sensor Networks (WSNs) particularly related to military and surveillance applications. The introduction of real time communication has created additional challenges in this ...
FPGA Implementation of M-PSK Modulators for Satellite Communication
Found in: Advances in Recent Technologies in Communication and Computing, International Conference on
By Satish Sharma, Sunil Kulkarn, Vijaykumar Pujari, Vanitha M., P. Lakshminarsimhan
Issue Date:October 2010
pp. 136-139
In a satellite, there exist various communication subsystem like Telecommand, Telemetry and Payload data transfer. Depending on the requirements of a particular system, different modulation techniques are being used. In general, M-PSK modulation techniques...
Instructional m-Learning System Design Based on Learners: MPrinceTool
Found in: Computing in the Global Information Technology, International Multi-Conference on
By Habib M. Fardoun, Pedro G. Villanueva, Juan Enrique Garrido, Gabriel Sebastián Rivera, Sebastián Romero López
Issue Date:September 2010
pp. 220-225
M-Learning is an exciting art of using mobile technologies to enhance learning skills. Mobile phones, PDAs, Pocket PCs and the Internet can be joined together in order to engage and motivate learners, anytime anywhere. The society is entering a new era of ...
Exact Analysis of PCC-OFDM Subjected to Carrier Frequency Offset over Nakagami-m Fading Channel
Found in: Wireless and Mobile Communications, International Conference on
By Muhammad Ismail Muhammad, Abdel Aziz M. Al-Bassiouni, Salwa H. El Ramly
Issue Date:August 2009
pp. 30-37
Orthogonal frequency division multiplexing (OFDM) is sensitive to frequency synchronization errors which results in degradation of system performance. Polynomial cancelation coding (PCC) OFDM is introduced to reduce OFDM sensitivity to carrier frequency of...
Protecting E-courses Copyright in M-learning Process
Found in: Future Computer and Communication, International Conference on
By Khader M. Titi, Osama A. Marie
Issue Date:April 2009
pp. 636-640
As the world is becoming more and more flowing, networked, and composite organizations will continue to be more mobile than ever by. One part of the challenge for future mobile organizations is how can they communicate and exchange information securely wit...
A large-to-fine-scale shape prior for probabilistic segmentations using a deformable m-rep
Found in: Computer Vision and Pattern Recognition Workshop
By Joshua H. Levy, Rohit R. Saboo, Edward L. Chaney, Stephen M. Pizer
Issue Date:June 2008
pp. 1-8
Training a shape prior has been potent scheme for anatomical object segmentations, especially for images with noisy or weak intensity patterns. When the shape representation lives in a high dimensional space, principal component analysis is often used to c...
Capacity analysis of MIMO system over Nakagami-m fading channels using Finite Mixture with Expectation Maximization algorithm
Found in: Computer Systems and Applications, ACS/IEEE International Conference on
By Ibrahim Y. Abualhaol, Mustafa M. Matalgah
Issue Date:April 2008
pp. 309-316
The capacity of multiple input multiple output (MIMO) system over wireless channels has been investigated analytically and by simulation over different types of wireless fading channels, such as Rayleigh and Nakagami fading channels. In this paper, Finite ...
Novel architectures for efficient (m, n) parallel counters
Found in: Proceedings of the 17th great lakes symposium on Great lakes symposium on VLSI (GLSVLSI '07)
By Avinash Lingamneni, M. B. Srinivas, M. Kirthi Krishna, Sreehari Veeramachaneni
Issue Date:March 2007
pp. 188-191
Parallel counters are key elements in many arithmetic circuits, especially fast multipliers. In this paper, novel architectures and designs for high speed, low power (3,2), (7,3), (15,4) and (31,5) counters capable of operating at ultra-low voltages are pr...
A 2.8-V Multibit Complex Bandpass ??AD Modulator in 0.18?m CMOS
Found in: Asia and South Pacific Design Automation Conference
By H. San, Y. Jingu, H. Wada, H. Hagiwara, A. Hayakawa, H. Kobayashi, M. Hotta
Issue Date:January 2007
pp. 96-97
A second-order multibit switched-capacitor (SC) complex bandpass DeltaSigma AD modulator has been designed, fabricated and tested for application to low-IF receivers in wireless communication systems. We have employed two new algorithms there to improve th...
A Highly Efficient M/G/? Generator of Self-Similar Traces
Found in: Winter Simulation Conference
By M.E. Sousa-Vieira, A. Suarez-Gonzalez, M. Fernandez-Veiga, C. Lopez-Garcia, R.F. Rodriguez-Rubio
Issue Date:December 2006
pp. 2146-2153
Several traffic measurements reports have convincingly shown the presence of self-similarity in current networks, inducing a revolution in the stochastic modeling of traffic. The essence of this behavior can be captured by several classes of self-similar p...
Designing for place-based social interaction of urban residents in México, South Africa and Australia
Found in: Proceedings of the 20th conference of the computer-human interaction special interest group (CHISIG) of Australia on Computer-human interaction: design: activities, artefacts and environments (OZCHI '06)
By Marcus Foth, Victor M. Gonzalez, Wallace Taylor
Issue Date:November 2006
pp. 345-348
The design of technology to facilitate social interaction of urban residents is increasingly important for many countries around the world. México and South Africa are particularly prone to issues that stem from urban densification and a lack of adequ...
Very Low Noise and Reliable 1.55 ?m InP-Based Quantum-Dash Fabry-Perot Lasers for Microwave Links
Found in: International Topical Meeting on Microwave Photonics
By P. Resneau, M. Calligaro, O. Parillaud, M. Krakowski, A. Somers, J.P. Reithmaier
Issue Date:October 2006
pp. 1-4
We have developed 1.55 mum quantum dash Fabry-Perot lasers based on InP using a ridge waveguide. These devices have first reached a high power of 50 mW per facet and have shown an ultra low relative intensity noise (RIN) of -162 dB/Hzplusmn1.6 dB/Hz in 0.1...
InP Digital Optical Switch with 72dB microwave crosstalk at 1.55?m wavelength.
Found in: International Topical Meeting on Microwave Photonics
By M. Zegaoui, J. Harari, D. Decoster, J. Chazelas, F. Mollot, C. Legrand, M. Frangois, A. Leroy
Issue Date:October 2006
pp. 1-4
A new InP digital optical switch especially designed for high crosstalk is proposed. More than 72 dB microwave crosstalk can be achieved at 1.55 mum wavelength optical signal for a 56 mA switching current
Relationship between GF(2^m) Montgomery and Shifted Polynomial Basis Multiplication Algorithms
Found in: IEEE Transactions on Computers
By Haining Fan, M. Anwar Hasan
Issue Date:September 2006
pp. 1202-1206
Applying the matrix-vector product idea of the Mastrovito multiplier to the GF(2^{m}) Montgomery multiplication algorithm, we present a new parallel multiplier for irreducible trinomials. This multiplier and the corresponding shifted polynomial basis (SPB)...
Maximizing Guaranteed QoS in (m, k)-firm Real-time Systems
Found in: Real-Time Computing Systems and Applications, International Workshop on
By Jian (Denny) Lin, Albert M. K. Cheng
Issue Date:August 2006
pp. 402-410
tasks in soft/firm real-time systems under overloaded conditions. In general, they are provided by application designers to guarantee the minimum levels of quality of service (QoS). Many problems concentrating in task schedulability under these constraints...
m-LPN: An Approach Towards a Dependable Trust Model for Pervasive Computing Applications
Found in: Parallel Processing Workshops, International Conference on
By Munirul M. Haque, Sheikh I. Ahamed
Issue Date:August 2006
pp. 189-195
Trust, the fundamental basis of ?cooperation? - one of the most important characteristics for the performance of pervasive ad hoc network-- is under serious threat with the emergence of counterfeiting and malicious activity. Several constraints exist in th...
A Navigation Interface for Adaptive m-Learning Applications
Found in: Advanced Learning Technologies, IEEE International Conference on
By Laércio Sambüc dos Anjos, José M. Parente de Oliveira
Issue Date:July 2006
pp. 61-62
Some researches have used concept maps to support navigation in m-Learning applications. Nevertheless, as this navigation support is not very flexible, adaptation to learner characteristics is not possible. Aiming at overcoming such limitation, a navigatio...
An Analytical Approach to Error Evaluation in Gamma Shadowed Nakagami-m Fading Channel for Different Path Loss Models
Found in: International Symposium ELMAR
By M. Hadzialic, N. Behlilovic, A. Sarajlic
Issue Date:June 2006
pp. 273-277
In this paper, considering general model of radio channel, where receiving signal is submitted by accidental fluctuations of the amplitude and phase, well known as fading, the aspect of composite fading parameters impact on the probability of error for GMS...
FlexRay Transceiver in a 0.35?m CMOS High-Voltage Technology
Found in: Design, Automation and Test in Europe Conference and Exhibition
By F. Baronti, P. D'Abramo, M. Knaipp, R. Minixhofer, R. Roncella, R. Saletti, M. Schrems, R. Serventi, V. Vescoli
Issue Date:March 2006
pp. 38
This paper presents one of the first fully functional FlexRay transceivers manufactured in a 0.35?m CMOS High-Voltage technology, which provides high voltage MOS devices together with standard 3.3 V gates. The circuit operates as interface between a generi...
M-GA: A Genetic Algorithm to Search for the Best Conditional Gaussian Bayesian Network
Found in: Computational Intelligence for Modelling, Control and Automation, International Conference on
By Massimiliano Mascherini, Federico M. Stefanini
Issue Date:November 2005
pp. 61-67
The search of optimal Bayesian Network from a database of observations is NP-hard. Nevertheless, several heuristic search strategies have been found to be effective. We present a new population-based algorithm to learn the structure of Bayesian Networks wi...
Resistive-open defect injection in SRAM core-cell: analysis and comparison between 0.13 μm and 90 nm technologies
Found in: Proceedings of the 42nd annual conference on Design automation (DAC '05)
By A. Virazel, L. Dilillo, M. Bastian, P. Girard, S. Pravossoudovitch
Issue Date:June 2005
pp. 857-862
Resistive-open defects appear more and more frequently in VDSM technologies. In this paper we present a study concerning resistive-open defects in the core-cell of SRAM memories. The first target of this work is a comparison of the effect produced by resis...
Characteristics of 14 m MM-wave TRAO telescope with 7/spl times/7 beam focal plane array
Found in: International Conference on Antenna Theory and Techniques
By V.B. Khaikin, M.-H. Chung, V.N. Radzikhovsky, S.E. Kuzmin
Issue Date:May 2005
pp. 544-547
Characteristics of 14 m MM wave telescope of TRAO with a multibeam focal plane array (FPA) are considered. Simulation shows that 7/spl times/7 element tightly packed FPA at 85-115 GHz is a highly effective instrument for 14 m telescope. Expected beam spaci...
BW-M: a framework for awareness support in Web-based groupware systems
Found in: International Conference on Computer Supported Cooperative Work in Design
By M. Kirsch-Pinheiro, M. Villanova-Oliver, J. Gensel, H. Martin
Issue Date:May 2005
pp. 240-246 Vol. 1
In this paper, we present a framework for context-based awareness support designed for Web-based groupware systems. Nowadays, such systems can be accessed through Web-enabled mobile devices, such as PDAs and cellular phones, which allow their users to perf...
A Class of Unidirectional Bit Serial Systolic Architectures for Multiplicative Inversion and Division over {\rm GF}(2^m)
Found in: IEEE Transactions on Computers
By Amir K. Daneshbeh, M. Anwar Hasan
Issue Date:March 2005
pp. 370-380
A class of universal unidirectional bit serial systolic architectures for multiplicative inversion and division over Galois field {\rm GF}(2^m) is presented. The field elements are represented with polynomial (standard) basis. These systolic architectures ...
A 4 GHz dual modulus divider-by 32/33 prescaler in 0.35͘m CMOS technology
Found in: Proceedings of the 17th symposium on Integrated circuits and system design (SBCCI '04)
By Fernando P. H. de Miranda, Joao Navarro S., Wilhelmus A. M. Van Noije
Issue Date:September 2004
pp. 94-99
The design of a dual modulus prescaler 32/33 in a 0.35μm CMOS technology is presented. The prescaler is a circuit employed in high frequency synthesizer designs. In the proposed circuit the technique called Extended True Single Phase Clock (E-TSPC), a...
Low Complexity Bit Parallel Architectures for Polynomial Basis Multiplication over GF(2^{m})
Found in: IEEE Transactions on Computers
By Arash Reyhani-Masoleh, M. Anwar Hasan
Issue Date:August 2004
pp. 945-959
<p><b>Abstract</b>—Representing the field elements with respect to the polynomial (or standard) basis, we consider bit parallel architectures for multiplication over the finite field <tmath>GF(2^{m})</tmath>. In this effect, f...
A Sigma-Delta Modulator for Digital Hearing Instruments Using 0.18?m CMOS Technology
Found in: System-on-Chip for Real-Time Applications, International Workshop on
By Iman Y. Taha, M. Ahmadi, W. C. Miller
Issue Date:July 2004
pp. 233-236
This paper examines the design and implementation of a single-loop second-order CMOS sigma-delta Modulator for digital audio hearing-aid applications. The Modulator circuit features reduced complexity, area reduction and low conversion energy. It has a sam...
A Low Voltage to High Voltage Level Shifter in a Low Voltage, 0.25 ?m, PD SOI Process
Found in: VLSI, IEEE Computer Society Annual Symposium on
By Erik J. Mentze, Kevin M. Buck, Herbert L. Hess, David Cox, Mohammad Mojarradi
Issue Date:February 2004
pp. 218
<p>This paper describes a low voltage to high voltage logic level shifter that has been designed entirely in a low breakdown voltage process. As such, the scalability of the design to higher output levels has not been restricted by the fabrication pr...
A Tuned Wideband LNA in 0.25?m IBM Process For RF Communication Applications
Found in: VLSI Design, International Conference on
By M. Benmansour, P. R Mukund
Issue Date:January 2004
pp. 631
This paper discusses the design of a low noise amplifier tunable over a wide range of frequencies. The LNA is designed for a frequency band 1.4 Ghz - 2 Ghz and provides an output return loss, S22, less than -24 dB, an input return loss, S11, less than -10 ...
A semantic web environment for context-aware m-commerce
Found in: Proceedings of the conference on Electronic commerce (EC '03)
By Kazuaki Takizawa, Linh Van, Norman M. Sadeh, OhByung Kwon, Ting-Chak Chan
Issue Date:June 2003
pp. 268-269
In this paper, we introduce MyCampus, a Semantic Web environment for context-aware mobile services, which we are in the process of developing and validating on Carnegie Mellon University's campus. The environment revolves around a growing collection of cus...
A Unidirectional Bit Serial Systolic Architecture for Double-Basis Division over GF(2<sup>m</sup>)
Found in: Computer Arithmetic, IEEE Symposium on
By Amir K. Daneshbeh, M. A. Hasan
Issue Date:June 2003
pp. 174
A unidirectional bit serial systolic architecture for division over Galois field GF(2<sup>m</sup>) is presented which uses both triangular and polynomial basis representations. It is suitable for hardware implementations where the dimension of ...
Low Complexity Sequential Normal Basis Multipliers over GF(2<sup>m</sup>)
Found in: Computer Arithmetic, IEEE Symposium on
By Arash Reyhani-Masoleh, M. Anwar Hasan
Issue Date:June 2003
pp. 188
For efficient hardware implementation of finite field arithmetic units, the use of a normal basis is advantageous. In this article, two architectures for multipliers over the finite field GF(2<sup>m</sup>) are proposed. Both of these multiplier...
M-Commerce Transaction Management with Multi-Agent Support
Found in: Advanced Information Networking and Applications, International Conference on
By M. Younas, K-M Chao, R. Anane
Issue Date:March 2003
pp. 284
Transaction management is a major issue in Mobile Commerce (M-commerce). It enables people to order goods and access information in an anywhere and anytime fashion. Given the nature of mobile computing, there is a need for a generic approach that adapts to...
A highly efficient M/G//spl infin/ model for generating self-similar traces
Found in: Winter Simulation Conference
By M.E. Sousa-Vieira, A. Suarez-Gonzalez, C. Lopez-Garcia, M. Fernandez-Veiga, J.C. Lopez-Ardao
Issue Date:December 2002
pp. 2003-2010
Several traffic measurement reports have convincingly shown the presence of self-similarity in modern networks, inducing as a result a revolution in the stochastic modeling of traffic. The use of self-similar processes in performance analysis has opened ne...
M-Education: Bridging the Gap of Mobile and Desktop Computing
Found in: Wireless and Mobile Technologies in Education, IEEE International Workshop on
By Umer Farooq, Wendy Schafer, Mary Beth Rosson, John M. Carroll
Issue Date:August 2002
pp. 91
Mobile Education or M-Education is a new conceptual paradigm in the use of mobile and wireless technologies for education. M-Education encourages distributed peer collaboration over wireless devices and desktop computers to create opportunities for discove...
Implementation of a Single Chip, Pipelined, Complex, One-Dimensional Fast FourierTransform in 0.25?m BulkCMOS
Found in: Application-Specific Systems, Architectures and Processors, IEEE International Conference on
By Steven M. Currie, Paul R. Schumacher, Barry K. Gilbert, Earl E. Swartzlander, Barbara A. Randall
Issue Date:July 2002
pp. 335
The Mayo Foundation Special Purpose Processor Development Group (Mayo) has developed a novel fast Fourier transform (FFT) ASIC designed to operate on 16-bit complex (16-bit real, 16-bit imaginary) samples. The radix-2 FFT processor performs any power-of-tw...
Cherri M. Pancake on Usability Engineering
Found in: Ubiquity
By Cherri M. Pancake
Issue Date:June 2002
pp. 1-es
How communications technology will bridge the Divide
Adventures of Möbius band: mathematical visualization in virtual environment
Found in: Proceedings of the eighteenth annual symposium on Computational geometry (SCG '02)
By Gregory M. Nielson, Igor Nikitin, Lialia Nikitina, Stanislav Klimenko
Issue Date:June 2002
pp. 281-282
Differential geometry and topology are the areas of higher mathematics, which particularly require visual representation of studying objects for better understanding of the material. On the other hand, the complex structure of such objects makes their visu...
The M?bius Modeling Tool
Found in: Petri Nets and Performance Models, IEEE International Workshop on
By Graham Clark, Tod Courtney, David Daly, Dan Deavours, Salem Derisavi, Jay M. Doyle, William H. Sanders, Patrick Webster
Issue Date:September 2001
pp. 0241
Abstract: Despite the development of many modeling formalisms and model solution methods, most tool implementations support only a single formalism. Furthermore, models expressed in the chosen formalism cannot be combined with models expressed in other for...
m-links: An infrastructure for very small internet devices
Found in: Proceedings of the seventh annual international conference on Mobile computing and networking (MobiCom '01)
By Bill N. Schilit, David M. Hilbert, Jonathan Trevor, Tzu Khiau Koh
Issue Date:July 2001
pp. 122-131
In this paper we describe the Mobile Link (m-Links) infrastructure for utilizing existing World Wide Web content and services on wireless phones and other very small Internet terminals. Very small devices, typically with 3-20 lines of text, provide portabi...
A few ideas from Stan M. Davis
Found in: Ubiquity
By Stan M. Davis
Issue Date:June 2001
pp. 1-es
John Parkinson relays the challenges for a global financial services firm including anticipating technologies, winning the war for talent, and finding innovative ways to maintain a corporate presence in a worldwide market.
A Massive Repository for the National Medical Knowledge Bank Warren M. Sterling, Ph.D.
Found in: Mass Storage Systems, IEEE Symposium on
By Ph.D. Warren M. Sterling
Issue Date:April 2001
pp. 191
This paper describes a massively parallel object relational (O/R) database used in an advanced development program to create a comprehensive medical information system called the National Medical Knowledge Bank (NMKB). This database, named the Teradata Obj...
Compact Layout Rule Extraction for Latchup Prevention in a 0.25-?m Shallow-Trench-Isolation Silicided Bulk CMOS Process
Found in: Quality Electronic Design, International Symposium on
By Ming-Dou Ker, Wen-Yu Lo, Tung-Yang Chen, Howard Tang, S.-S. Chen, M.-C. Wang
Issue Date:March 2001
pp. 267
An experimental extraction to find the area-efficient compact layout rules to prevent latchup in bulk CMOS IC's is proposed. The layout rules are extracted from the test patterns with different layout spacings or distances. A new efficient latchup preventi...
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