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Displaying 1-50 out of 176 total
The new iris data: modular data generators
Found in: Proceedings of the 16th ACM SIGKDD international conference on Knowledge discovery and data mining (KDD '10)
By Iris Ada, Michael R. Berthold
Issue Date:July 2010
pp. 413-422
In this paper we introduce a modular, highly flexible, open-source environment for data generation. Using an existing graphical data flow tool, the user can combine various types of modules for numeric and categorical data generators. Additional functional...
     
Parametric yield management for 3D ICs: Models and strategies for improvement
Found in: ACM Journal on Emerging Technologies in Computing Systems (JETC)
By Cesare Ferri, R. Iris Bahar, R. Iris Bahar, Sherief Reda, Sherief Reda
Issue Date:October 2008
pp. 1-22
Three-Dimensional (3D) Integrated Circuits (ICs) that integrate die with Through-Silicon Vias (TSVs) promise to continue system and functionality scaling beyond the traditional geometric 2D device scaling. 3D integration also improves the performance of IC...
     
Introduction to joint ACM JETC/TODAES special issue on new, emerging, and specialized technologies
Found in: ACM Journal on Emerging Technologies in Computing Systems (JETC)
By Krishnendu Chakrabarty, R. Iris Bahar, R. Iris Bahar
Issue Date:April 2008
pp. 1-2
A triangulation of a planar point set S is a maximal plane straight-line graph with vertex set S. In the minimum-weight triangulation (MWT) problem, we are looking for a triangulation of a given point set that minimizes the sum of the edge lengths. We prov...
     
Learning Agents for Human Complex Systems
Found in: 2014 IEEE 38th International Computer Software and Applications Conference Workshops (COMPSACW)
By Iris Lorscheid
Issue Date:July 2014
pp. 432-437
Learning agents are a useful concept for agent-based simulation. The learning ability increases the autonomy of agents, which may lead them to unforeseen results on the individual (micro) and group (macro) level. Learning is even required to be successful ...
 
Effects of social presence and social role on help-seeking and learning
Found in: Proceedings of the 2014 ACM/IEEE international conference on Human-robot interaction (HRI '14)
By Carolyn Rosé, Iris Howley, Kotaro Hayashi, Takayuki Kanda
Issue Date:March 2014
pp. 415-422
The unique social presence of robots can be leveraged in learning situations to reduce student evaluation anxiety, while still providing instructional guidance on multiple levels of communication. Furthermore, social role of the instructor can also impact ...
     
Fast Design Exploration for Performance, Power and Accuracy Tradeoffs in FPGA-Based Accelerators
Found in: ACM Transactions on Reconfigurable Technology and Systems (TRETS)
By Kumud Nepal, Onur Ulusel, R. Iris Bahar, Sherief Reda
Issue Date:February 2014
pp. 1-22
The ease-of-use and reconfigurability of FPGAs makes them an attractive platform for accelerating algorithms. However, accelerating becomes a challenging task as the large number of possible design parameters lead to different accelerator variants. In this...
     
Five key challenges in end-user development for tangible and embodied interaction
Found in: Proceedings of the 15th ACM on International conference on multimodal interaction (ICMI '13)
By Daniel Tetteroo, Iris Soute, Panos Markopoulos
Issue Date:December 2013
pp. 247-254
As tangible and embodied systems are making the transition from the labs to everyday life, there is a growth in the applications related research and design work in this field. We argue that the potential of these technologies can be even further leveraged...
     
Strategies for Aligning Variability Model and Architecture
Found in: 2013 20th Asia-Pacific Software Engineering Conference (APSEC)
By Iris Groher,Rainer Weinreich
Issue Date:December 2013
pp. 511-516
We have recently developed a tool-supported approach for the transitioning from implicit to explicit variability management of existing software products. Such an approach requires the definition of a variability model that is then linked to the existing p...
 
Fast image/video collection summarization with local clustering
Found in: Proceedings of the 21st ACM international conference on Multimedia (MM '13)
By Hiroyuki Arai, Ken Tsutsuguchi, Go Irie, Shuhei Tarashima, Yukinobu Taniguchi
Issue Date:October 2013
pp. 725-728
Image/video collection summarization is an emerging paradigm to provide an overview of contents stored in massive databases. Existing algorithms require at least O(N) time to generate a summary, which cannot be applied to online scenarios. Assuming that co...
     
Good vibrations: an evaluation of vibrotactile impedance matching for low power wearable applications
Found in: Proceedings of the 26th annual ACM symposium on User interface software and technology (UIST '13)
By Blake Hannaford, Eric Larson, Iris Jiang, Jack I.C. Lindsay, Richard Adams, Shwetak N. Patel
Issue Date:October 2013
pp. 515-520
Vibrotactile devices suffer from poor energy efficiency, arising from a mismatch between the device and the impedance of the human skin. This results in over-sized actuators and excessive power consumption, and prevents development of more sophisticated, m...
     
Wire-Speed Implementation of Sliding-Window Aggregate Operator over Out-of-Order Data Streams
Found in: 2013 IEEE 7th International Symposium on Embedded Multicore Socs (MCSoC)
By Yasin Oge,Masato Yoshimi,Takefumi Miyoshi,Hideyuki Kawashima,Hidetsugu Irie,Tsutomu Yoshinaga
Issue Date:September 2013
pp. 55-60
This paper shows the design and evaluation of an FPGA-based accelerator for sliding-window aggregation over data streams with out-of-order data arrival. We propose an order-agnostic hardware implementation technique for windowing operators based on a one-p...
 
Modeling the uniqueness of the user preferences for recommendation systems
Found in: Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval (SIGIR '13)
By David Carmel, Haggai Roitman, Iris Eiron, Yosi Mass
Issue Date:July 2013
pp. 777-780
In this paper we propose a novel framework for modeling the uniqueness of the user preferences for recommendation systems. User uniqueness is determined by learning to what extent the user's item preferences deviate from those of an "average user" in the s...
     
How do users' search tactic selections influence search outputs in exploratory search tasks?
Found in: Proceedings of the 13th ACM/IEEE-CS joint conference on Digital libraries (JCDL '13)
By Iris Xie, Soohyung Joo
Issue Date:July 2013
pp. 397-398
This study investigates the relationships between users' search tactic selections and search outputs while conducting exploratory searches in digital libraries. Frequencies of different types of search tactics applied in an exploratory search task were cou...
     
A nationwide exam as a tool for improving a new curriculum
Found in: Proceedings of the 18th ACM conference on Innovation and technology in computer science education (ITiCSE '13)
By Bazil Pârv, Dvir Lanzberg, Iris Zur-Bargury
Issue Date:July 2013
pp. 267-272
Israel's Ministry of Education has decided to strengthen the STEM studies, including computer science (CS). A new curriculum for CS for junior high, which focuses on developing computational thinking, was developed, implemented, and evaluated. The evaluati...
     
Transparent and energy-efficient speculation on NUMA architectures for embedded MPSoCs
Found in: Proceedings of the First International Workshop on Many-core Embedded Systems (MES '13)
By Andrea Marongiu, Dimitra Papagiannopoulou, Luca Benini, Maurice Herlihy, R. Iris Bahar, Tali Moreshet
Issue Date:June 2013
pp. 58-61
High-end embedded systems such as smart phones, game consoles, GPS-enabled automotive systems, and home entertainment centers, are becoming ubiquitous. Like their general-purpose counterparts, and for many of the same energy-related reasons, embedded syste...
     
Rapid prototyping of outdoor games for children in an iterative design process
Found in: Proceedings of the 12th International Conference on Interaction Design and Children (IDC '13)
By Iris Soute, Panos Markopoulos, Susanne Lagerström
Issue Date:June 2013
pp. 74-83
This paper reflects on the design process of games that are played by multiple players, involving high pace activity and embodied interaction. More specifically it argues that user testing with low fidelity prototypes, which is recommended in mainstream li...
     
A Bayesian Approach to Multimodal Visual Dictionary Learning
Found in: 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
By Go Irie,Dong Liu,Zhenguo Li,Shih-Fu Chang
Issue Date:June 2013
pp. 329-336
Despite significant progress, most existing visual dictionary learning methods rely on image descriptors alone or together with class labels. However, Web images are often associated with text data which may carry substantial information regarding image se...
 
The promise of consumer technologies in emerging markets
Found in: Communications of the ACM
By Iris Junglas, Jeanne Harris
Issue Date:May 2013
pp. 84-90
Employees in emerging markets find their own IT devices vital to job productivity and innovation.
     
Machine-learning-based hotspot detection using topological classification and critical feature extraction
Found in: Proceedings of the 50th Annual Design Automation Conference (DAC '13)
By Iris Hui-Ru Jiang, Yen-Ting Yu
Issue Date:May 2013
pp. 1-6
Because of the widening sub-wavelength lithography gap in advanced fabrication technology, lithography hotspot detection has become an essential task in design for manufacturability. Current state-of-the-art works unite pattern matching and machine learnin...
     
Factors impacting community response in an interest-sharing network
Found in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13)
By Iris Howley, Todd Newman
Issue Date:April 2013
pp. 2283-2286
The arrival of a new interest-sharing network, So.cl, provides for a new opportunity to explore human behavior as it relates to constructing public contributions and receiving community response. This study looks at archival data in order to better underst...
     
Top-k query processing in probabilistic databases with non-materialized views
Found in: 2013 IEEE International Conference on Data Engineering (ICDE 2013)
By Maximilian Dylla,Iris Miliaraki,Martin Theobald
Issue Date:April 2013
pp. 122-133
We investigate a novel approach of computing confidence bounds for top-k ranking queries in probabilistic databases with non-materialized views. Unlike related approaches, we present an exact pruning algorithm for finding the top-ranked query answers accor...
 
A real-time gait improvement tool using a smartphone
Found in: Proceedings of the 4th Augmented Human International Conference (AH '13)
By Hidetsugu Irie, Hiroyoshi Houchi
Issue Date:March 2013
pp. 243-243
Recent handy devices are provided with various sensors and have realized a lot of functions as downsizing and speeding up of computers. Currently smartphones occupy significant positions as the multifunctional handy devices. One of the most observable feat...
     
Cross product line analysis
Found in: Proceedings of the Seventh International Workshop on Variability Modelling of Software-intensive Systems (VaMoS '13)
By Iris Reinhartz-Berger, Ora Wulf-Hadash
Issue Date:January 2013
pp. 1-8
Due to increase in market competition and merger and acquisition of companies, different software product lines (SPLs) may exist under the same roof. These SPLs may be developed applying different domain analysis processes, but are likely not disjoint. Cro...
     
Supporting Variability Management in Architecture Design and Implementation
Found in: 2013 46th Hawaii International Conference on System Sciences (HICSS)
By Iris Groher,Rainer Weinreich
Issue Date:January 2013
pp. 4995-5004
Variability management and architecture design and implementation are mostly separate activities. Existing variability management approaches focus on documenting the variable properties of a product line and on deriving products as members of the product l...
   
Model of a Personalization-Based Agent System for Early Product Adoption Phases
Found in: 2013 46th Hawaii International Conference on System Sciences (HICSS)
By Michael J. Harnisch,Thomas Puchleitner,Manuela Reinisch,Iris Uitz
Issue Date:January 2013
pp. 3457-3466
Businesses that offer Software-as-a-Service (SaaS) often allow a "tryout" phase to immediately test their system. The loss of control during this phase forces providers to offer simple ways of product learning for the demonstration of product fea...
   
Multimedia Grand Challenge 2012
Found in: IEEE MultiMedia
By Yushi Jing,Go Irie,Marcel Worring
Issue Date:January 2013
pp. 2-6
The Multimedia Grand Challenge is a recurring event at the ACM Multimedia Conference series. During this event, delegates from various industries define a number of challenges that they consider of interest from both a business and scientific perspective, ...
 
Using implications to choose tests through suspect fault identification
Found in: ACM Transactions on Design Automation of Electronic Systems (TODAES)
By Jennifer Dworak, Kundan Nepal, Nicholas Imbriglia, Nuno Alves, R. Iris Bahar, Yiwen Shi
Issue Date:December 2012
pp. 1-19
As circuits continue to scale to smaller feature sizes, wearout and latent defects are expected to cause an increasing number of errors in the field. Online error detection techniques, including logic implication-based checker hardware, are capable of dete...
     
Parallel Numerical Simulation of Visual Neurons for Analysis of Optical Illusion
Found in: 2012 Third International Conference on Networking and Computing (ICNC)
By Akira Egashira,Shunji Satoh,Hidetsugu Irie,Tsutomu Yoshinaga
Issue Date:December 2012
pp. 130-136
Detailed mechanism of optical illusion caused by visual neurons in human brain has not been well understood, and its numerical simulation is helpful to analyze visual system of humans. This paper describes implementation techniques of parallel numerical si...
   
STRAIGHT: Realizing a Lightweight Large Instruction Window by Using Eventually Consistent Distributed Registers
Found in: 2012 Third International Conference on Networking and Computing (ICNC)
By Hidetsugu Irie,Daisuke Fujiwara,Kazuki Majima,Tsutomu Yoshinaga
Issue Date:December 2012
pp. 336-342
As the number of cores as well as the network size in a processor chip increases, the performance of each core is more critical for the improvement of the total chip performance. However, to improve the total chip performance, the performance per power or ...
   
Opening: introduction to CAD contest at ICCAD 2012
Found in: Proceedings of the International Conference on Computer-Aided Design (ICCAD '12)
By Iris Hui-Ru Jiang, Yih-Lang Li, Zhuo Li
Issue Date:November 2012
pp. 341-341
Contests and their benchmarks have become an important driving force to push our EDA domain forward in different areas lately, such as ISPD, TAU, DAC contests. To encourage better research development on timely and practical EDA problems across all domains...
     
Combining Mouse and Keystroke Dynamics Biometrics for Risk-Based Authentication in Web Environments
Found in: 2012 4th International Conference on Digital Home (ICDH)
By Issa Traore,Isaac Woungang,Mohammad S. Obaidat,Youssef Nakkabi,Iris Lai
Issue Date:November 2012
pp. 138-145
Existing risk-based authentication systems rely on basic web communication information such as the source IP address or the velocity of transactions performed by a specific account, or originating from a certain IP address. Such information can easily be s...
 
Implementing a new Computer Science Curriculum for middle school in Israel
Found in: 2012 IEEE Frontiers in Education Conference (FIE)
By Iris Zur Bargury,Bruria Haberman,Avi Cohen,Orna Muller,Doron Zohar,Dalit Levy,Reuven Hotoveli
Issue Date:October 2012
pp. 1-6
As part of a national strategic plan recently established by the Ministry of Education in Israel to strengthen science and technology education, an innovative Computer Science (CS) curriculum for middle school was developed. One main goal of the new curric...
 
FoXtrot: Distributed structural and value XML filtering
Found in: ACM Transactions on the Web (TWEB)
By Iris Miliaraki, Manolis Koubarakis
Issue Date:September 2012
pp. 1-34
Publish/subscribe systems have emerged in recent years as a promising paradigm for offering various popular notification services. In this context, many XML filtering systems have been proposed to efficiently identify XML data that matches user interests e...
     
Throttling Control for Bufferless Routing in On-chip Networks
Found in: 2012 IEEE 6th International Symposium on Embedded Multicore Socs (MCSoC)
By Yicheng Guan,Cisse Ahmadou Dit Adi,Takefumi Miyoshi,Michihiro Koibuchi,Hidetsugu Irie,Tsutomu Yoshinaga
Issue Date:September 2012
pp. 37-44
As the number of core integration on a single diegrows, buffers consume significant energy, and occupy chip area. A bufferless deflection routing that eliminates router's inputportbuffers can considerably help saving energy and chip areawhile providing sim...
 
A Lightweight Approach for Product Line Scoping
Found in: 2012 38th EUROMICRO Conference on Software Engineering and Advanced Applications (SEAA)
By Markus Nobauer,Norbert Seyff,Iris Groher,Deepak Dhungana
Issue Date:September 2012
pp. 105-108
Many organizations providing products with com-mon features wish to take advantage of that similarity in order to reduce development and maintenance efforts. Their goal is to move from a single-system development paradigm towards a product line approach. H...
 
Assembling a synthetic emotion mediator for quick decision making during acute stress
Found in: Proceedings of the 30th European Conference on Cognitive Ergonomics (ECCE '12)
By Iris Cohen, Mark A. Neerincx, Willem-Paul Brinkman
Issue Date:August 2012
pp. D9-D12
Motivation -- Previous research suggests that emotions and stressors influence the decision making processes in different ways. Decisions made by emergency workers in a stressful situation could be negatively influenced by emotions and stressors. This proj...
     
A new curriculum for junior-high in computer science
Found in: Proceedings of the 17th ACM annual conference on Innovation and technology in computer science education (ITiCSE '12)
By Iris Zur Bargury
Issue Date:July 2012
pp. 204-208
Israel's Ministry of Education has launched a unique program to enhance science - technology education. It is a six year program for grades seven through twelve. The program introduces a new curriculum in computer science for junior-high school students. T...
     
High Performance Parallel JPEG2000 Streaming Decoder Using GPGPU-CPU Heterogeneous System
Found in: 2012 IEEE 23rd International Conference on Application-specific Systems, Architectures and Processors (ASAP)
By Roto Le,Joseph L. Mundy,R. Iris Bahar
Issue Date:July 2012
pp. 16-23
The JPEG2000 image coding standard provides many superior features compared to JPEG and other compression standards. However, the relatively slow performance of JPEG2000, especially in software implementations, is a critical drawback of the standard. Moreo...
 
Fast Multi-Objective Algorithmic Design Co-Exploration for FPGA-based Accelerators
Found in: Field-Programmable Custom Computing Machines, Annual IEEE Symposium on
By Kumud Nepal,Onur Ulusel,R. Iris Bahar,Sherief Reda
Issue Date:May 2012
pp. 65-68
The reconfigurability of Field Programmable Gate Arrays (FPGAs) makes them an attractive platform for accelerating algorithms. Accelerating a particular algorithm is a challenging task as the large number of possible algorithmic and hardware design paramet...
 
Novel pulsed-latch replacement based on time borrowing and spiral clustering
Found in: Proceedings of the 2012 ACM international symposium on International Symposium on Physical Design (ISPD '12)
By Aki S.-H. Chen, Evan Y.-W. Tsai, Yu-Ming Yang, Chih-Long Chang, Iris H.-R. Jiang
Issue Date:March 2012
pp. 121-128
Flip-flops are the most common form of sequencing elements; however, they have a significantly higher sequencing overhead than latches in terms of delay, power, and area. Hence, pulsed-latches are promising to reduce power for high performance circuits. In...
     
FLAT: a GPU programming framework to provide embedded MPI
Found in: Proceedings of the 5th Annual Workshop on General Purpose Processing with Graphics Processing Units (GPGPU-5)
By Hidetsugu Irie, Hiroki Honda, Takefumi Miyoshi, Keigo Shima, Masaaki Kondo, Tsutomu Yoshinaga
Issue Date:March 2012
pp. 20-29
For leveraging multiple GPUs in a cluster system, it is necessary to assign application tasks to multiple GPUs and execute those tasks with appropriately using communication primitives to handle data transfer among GPUs. In current GPU programming models, ...
     
Reliability-Driven Power/Ground Routing for Analog ICs
Found in: ACM Transactions on Design Automation of Electronic Systems (TODAES)
By Jing-Wei Lin, Iris Hui-Ru Jiang, Tsung-Yi Ho
Issue Date:January 2012
pp. 1-26
Electromigration and voltage drop (IR-drop) are two major reliability issues in modern IC design. Electromigration gradually creates permanently open or short circuits due to excessive current densities; IR-drop causes insufficient power supply, thus degra...
     
Puebla in the palm of your hands
Found in: Proceedings of the 9th International Conference on Advances in Mobile Computing and Multimedia (MoMM '11)
By Antonio Sanchez, Fernando Zacarias, Iris Cerecedo, Rosalba Cuapa
Issue Date:December 2011
pp. 260-263
An interactive tourist tool with integrated maps navigation of Puebla is deployed. Mapping and navigation to all local points of interest such as hotels, restaurants, attractions, etc., are contained in our mobile tool. This is a novel mobile tool that sup...
     
Unifying Change -- Towards a Framework for Detecting the Unexpected
Found in: Data Mining Workshops, International Conference on
By Iris Adä,Michael R. Berthold
Issue Date:December 2011
pp. 555-559
An interesting challenge in data stream mining is the detection of events where events are generally defined as anything previously unknown in the data. Therefore outliers, but also model changes or drifts, can be considered as possible events. Various met...
 
Image collection summarization for search result overviewing on mobile devices
Found in: Proceedings of the 2011 international ACM workshop on Interactive multimedia on mobile and portable devices (IMMPD '11)
By Akira Kojima, Go Irie, Kiyoharu Aizawa, Takashi Satou, Toshihiko Yamasaki
Issue Date:November 2011
pp. 21-26
Due to small displays of mobile devices, overviewing an image search result that contains many and various images is difficult. To provide an overview of thousands of images, recent studies have tried to develop a framework for image collection summarizati...
     
Timing ECO optimization via Bézier curve smoothing and fixability identification
Found in: Computer-Aided Design, International Conference on
By Hua-Yu Chang,Iris Hui-Ru Jiang,Yao-Wen Chang
Issue Date:November 2011
pp. 742-746
Due to the rapidly increasing design complexity in modern IC design, more and more timing failures are detected at late stages. Without deferring time-to-market, metal-only ECO is an economical technique to correct these late-found failures. Typically, a d...
 
Multi-GPU Acceleration of Optical Flow Computation in Visual Functional Simulation
Found in: International Conference on Natural Computation
By Junichi Ohmura,Akira Egashira,Shunji Satoh,Takefumi Miyoshi,Hidetsugu Irie,Tsutomu Yoshinaga
Issue Date:December 2011
pp. 228-234
Numerical simulation for visual processing of the human brain is one of time-consuming applications. This paper shows acceleration techniques for a simulation program of the visual processing. We parallelize convolution calculations, which are core operati...
 
CCCPO: Robust Prefetcher Optimization Technique Based on Cache Convection
Found in: International Conference on Natural Computation
By Hidetsugu Irie,Takefumi Miyoshi,Goki Honjo,Kei Hiraki,Tsutomu Yoshinaga
Issue Date:December 2011
pp. 127-133
One of the significant issues of processor architecture is to overcome memory latency. Prefetching can greatly improve cache performance, however, it has the drawback of cache pollution unless its aggressiveness is properly set. Although several techniques...
 
Concurrent Optimization of Context Clustering and GMM for Offline Handwritten Word Recognition Using HMM
Found in: Document Analysis and Recognition, International Conference on
By Tomoyuki Hamamura,Bunpei Irie,Takuya Nishimoto,Nobutaka Ono,Shigeki Sagayama
Issue Date:September 2011
pp. 523-527
Context-dependent HMMs are commonly used in speech recognition. Parameter sharing needed for this model can be realized by two methods: context clustering or tied-mixture. In speech recognition, the former is reported to be more precise. However, there is ...
 
Project Alignment: A Configurable Model and Tool for Managing Critical Shared Processes in Collaborative Projects
Found in: Enterprise Distributed Object Computing Conference, IEEE International
By Mikko Uoti,Kim Jansson,Iris Karvonen,Martin Ollus,Sergio Gusmeroli
Issue Date:September 2011
pp. 87-96
Management of large scale distributed collaborative projects requires unified and aligned working methods and practices. Project alignment is the process to ensure that all key stakeholders share a common understanding of the project mission, goals, object...
 
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