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Displaying 1-33 out of 33 total
Power-Aware Consolidation of Scientific Workflows in Virtualized Environments
Found in: SC Conference
By Qian Zhu, Jiedan Zhu, Gagan Agrawal
Issue Date:November 2010
pp. 1-12
The recent emergence of clouds with large, virtualized pools of compute and storage resources raises the possibility of a new compute paradigm for scientific research. With virtualization technologies, consolidation of scientific workflows presents a promi...
 
Automatic Fault Diagnosis in Cloud Infrastructure
Found in: 2013 IEEE 5th International Conference on Cloud Computing Technology and Science (CloudCom)
By Qian Zhu,Teresa Tung,Qing Xie
Issue Date:December 2013
pp. 467-474
With cloud computing, a cycle of fault diagnosis and recovery becomes the norm. There is a large amount of monitoring data and log events available, but it is hard to figure out which events or metrics are critical in fault diagnosis. Other approaches mode...
 
GIS-Based 3D Modeling and Visualization in Luohe Basin
Found in: 2013 International Conference on Information Technology and Applications (ITA)
By Qian Zhu,Xia Li,Di Cao
Issue Date:November 2013
pp. 328-332
This article models and visualizes the Luohe Basin by applying three dimensional GIS technology on the 971 points of stratum data obtained in deep gullies. The result shows that this technology has attractive performance in modeling the superposed relation...
 
Resource Provisioning with Budget Constraints for Adaptive Applications in Cloud Environments
Found in: IEEE Transactions on Services Computing
By Qian Zhu,Gagan Agrawal
Issue Date:September 2012
pp. 497-511
The recent emergence of clouds is making the vision of utility computing realizable, i.e., computing resources and services can be delivered, utilized, and paid for as utilities such as water or electricity. This, however, creates new resource provisioning...
 
A Semantic-Web Oriented Representation of Clinical Element Model for Secondary Use of Electronic Healthcare Data
Found in: 2012 IEEE Second International Conference on Healthcare Informatics, Imaging and Systems Biology (HISB)
By Cui Tao,Guoqian Jiang,Thomas A Oniki,Robert R. Freimuth,Jyotishman Pathak,Qian Zhu,Deepak Sharma,Stanley M. Huff,Christopher G. Chute
Issue Date:September 2012
pp. 133
The Clinical Element Model (CEM) is an information model designed for representing clinical information in EHR systems across organizations. The current representation of CEMs does not support formal semantic definitions and therefore it is not possible to...
 
Highly Resilient Systems for Cloud
Found in: 2012 IEEE 19th International Conference on Web Services (ICWS)
By Teresa Tung,Shaw-Yi Chaw,Qing Xie,Qian Zhu
Issue Date:June 2012
pp. 678-680
Traditional methods for implementing highly resilient systems are costly; and their methods using specialized hardware and high-speed interconnects do not extend to cloud.  We demonstrate an architecture that rethinks the traditional approach and uses clou...
 
A Performance Interference Model for Managing Consolidated Workloads in QoS-Aware Clouds
Found in: 2012 IEEE 5th International Conference on Cloud Computing (CLOUD)
By Qian Zhu,Teresa Tung
Issue Date:June 2012
pp. 170-179
Cloud computing offers users the ability to access large pools of computational and storage resources on-demand without the burden of managing and maintaining their own IT assets. Today's cloud providers charge users based upon the amount of resources used...
 
Transparent Accelerator Migration in a Virtualized GPU Environment
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Shucai Xiao,Pavan Balaji,James Dinan,Qian Zhu,Rajeev Thakur,Susan Coghlan,Heshan Lin,Gaojin Wen,Jue Hong,Wu-chun Feng
Issue Date:May 2012
pp. 124-131
This paper presents a framework to support transparent, live migration of virtual GPU accelerators in a virtualized execution environment. Migration is a critical capability in such environments because it provides support for fault tolerance, on-demand sy...
 
Design and Realization of Distinctive Data Interface Based on SAP HR System
Found in: Innovations in Bio-inspired Computing and Applications, International Conference on
By Wei Zhou,Xiao-Qian Zhu,Li-Xuan Ye
Issue Date:December 2011
pp. 277-280
The paper analyzes the situation while the SAP HR system is running independently, its personal information, department information, and the relationship between them need to be referenced by multiple peripheral systems. So the target systems need to synch...
 
Running Interactive Perception Applications on Open Cirrus
Found in: Open Cirrus Summit
By Qian Zhu,Nezih Yigitbasi,Padmanabhan Pillai
Issue Date:October 2011
pp. 17-21
Interactive perception applications, such as gesture recognition and vision-based user interfaces, process high-data rate streams with compute intensive computer vision and machine learning algorithms. Yet, they require extremely low latencies to remain in...
 
Fairness is in the Eye of the Beholder: How Personality Traits Affect Perceived Fairness and Satisfaction in Hotel Service
Found in: Service Sciences, International Joint Conference on
By Yu-Qian Zhu, Houn-Gee Chen
Issue Date:May 2011
pp. 145-149
This study examines the role of personality traits in hotel guests¡¦ perceived fairness and satisfaction. Using a survey of 225 guests from a luxury hotel in Taiwan, we found that personality traits assessed with the Five Factor Model moderate the relati...
 
IOT Gateway: BridgingWireless Sensor Networks into Internet of Things
Found in: Embedded and Ubiquitous Computing, IEEE/IFIP International Conference on
By Qian Zhu, Ruicong Wang, Qi Chen, Yan Liu, Weijun Qin
Issue Date:December 2010
pp. 347-352
With the development of sensor, wireless mobile communication, embedded system and cloud computing, the technologies of Internet of Things have been widely used in logistics, Smart Meter, public security, intelligent building and so on. Because of its huge...
 
An Improved Group Key Agreement Based on Elliptic Curve
Found in: Genetic and Evolutionary Computing, International Conference on
By Guangming Yang, Qi Wang, Qian Zhu, Jian Xu, Jin Chang, Long Yan
Issue Date:December 2010
pp. 434-437
Group key agreement based on elliptic curve at ad hoc networks is studied. In order to meet the demand of efficiency and security, an improved key exchange scheme based on elliptic curve is proposed in this paper. In the scheme, elliptic curve cryptosystem...
 
Dynamic Resource Provisioning for Data Streaming Applications in a Cloud Environment
Found in: Cloud Computing Technology and Science, IEEE International Conference on
By Smita Vijayakumar, Qian Zhu, Gagan Agrawal
Issue Date:December 2010
pp. 441-448
The recent emergence of, cloud computing is making the, vision, of, utility computing, realizable, i.e., computing resources and services from a cloud can be delivered, utilized, and paid for in the same fashion as utilities like water or electricity. Curr...
 
Chem2Bio2RDF: A Linked Open Data Portal for Systems Chemical Biology
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Bin Chen, Ying Ding, Huijun Wang, David J. Wild, Xiao Dong, Yuyin Sun, Qian Zhu, Madhuvanthi Sankaranarayanan
Issue Date:September 2010
pp. 232-239
The Chem2Bio2RDF portal is a Linked Open Data (LOD) portal for systems chemical biology aiming for facilitating drug discovery. It converts around 25 different datasets on genes, compounds, drugs, pathways, side effects, diseases, and MEDLINE/PubMed docume...
 
Using Web Technologies for Integrative Drug Discovery
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Qian Zhu, Sashikiran Challa, Prajakta Purohit, Yuying Sun, Michael S. Lajiness, David J. Wild, Ying Ding
Issue Date:September 2010
pp. 188-191
Recent years have seen a huge increase in the amount of publicly-available information relevant to drug discovery, including online databases of compound and bioassay information; scholarly publications linking compounds with genes, targets and diseases; a...
 
Supporting fault-tolerance for time-critical events in distributed environments
Found in: SC Conference
By Qian Zhu, Gagan Agrawal
Issue Date:November 2009
pp. 1-12
In this paper, we consider the problem of supporting fault tolerance for adaptive and time-critical applications in heterogeneous and unreliable grid computing environments. Our goal for this class of applications is to optimize a user-specified benefit fu...
 
A resource allocation approach for supporting time-critical applications in grid environments
Found in: Parallel and Distributed Processing Symposium, International
By Qian Zhu,Gagan Agrawal
Issue Date:May 2009
pp. 1-12
There are many grid-based applications where a timely response to an important event is needed. Often such response can require a significant computation and possibly communication, and it can be very challenging to complete it within the time-frame the re...
 
The Opportunities and Challenges of Information Extraction
Found in: Intelligent Information Technology Application Workshops, International Symposium on
By Qian Zhu, Xianyi Cheng
Issue Date:December 2008
pp. 597-600
The purpose of Information Extraction (IE) is to extract appointed information. It breaks through the limitation that the work of reading, comprehending, IE must all been done by people in Information Retrieval (IR), and can automatically retrieve, compreh...
 
Generalized Gene Adjacencies, Graph Bandwidth, and Clusters in Yeast Evolution
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics
By Qian Zhu, Zaky Adam, Vicky Choi, David Sankoff
Issue Date:April 2009
pp. 213-220
We present a parameterized definition of gene clusters that allows us to control the emphasis placed on conserved order within a cluster. Though motivated by biological rather than mathematical considerations, this parameter turns out to be closely related...
 
Resource Allocation for Distributed Streaming Applications
Found in: Parallel Processing, International Conference on
By Qian Zhu, Gagan Agrawal
Issue Date:September 2008
pp. 414-421
We consider resource allocation for distributed streaming applications running in a grid environment, where continuously streaming data needs to be aggregated andprocessed to produce output streams. Because such an application??comprises a pipeline of proc...
 
An Adaptive Middleware for Supporting Time-Critical Event Response
Found in: Autonomic Computing, International Conference on
By Qian Zhu, Gagan Agrawal
Issue Date:June 2008
pp. 99-108
There are many applications where a timely response to an important event is needed. Often such response can require significant computation and possibly communication, and it can be very challenging to complete it within the time-frame the response is nee...
 
Supporting fault-tolerance in streaming grid applications
Found in: Parallel and Distributed Processing Symposium, International
By Qian Zhu, Liang Chen, Gagan Agrawal
Issue Date:April 2008
pp. 1-12
This paper considers the problem of supporting and efficiently implementing fault-tolerance for tightly-coupled and pipelined applications, especially streaming applications, in a grid environment. We provide an alternative to basic checkpointing and use t...
 
Removing Noise and Ambiguities from Comparative Maps in Rearrangement Analysis
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics
By Chunfang Zheng, Qian Zhu, David Sankoff
Issue Date:October 2007
pp. 515-522
Comparison of genomic maps is hampered by errors and ambiguities introduced by mapping technology, incorrectly resolved paralogy, small samples of markers and extensive genome rearrangement. We design an analysis to remove or resolve most of these problems...
 
Supporting Dynamic Migration in Tightly Coupled Grid Applications
Found in: SC Conference
By Liang Chen, Qian Zhu, Gagan Agrawal
Issue Date:November 2006
pp. 28
<p>In recent years, there has been a growing trend towards supporting more tightly coupled applications on the grid, including scientific workflows, applications that use pipelined or data-flow like processing, and distributed streaming applications....
 
An Integrative Model of Consumer's Adoption of RFID Credit Card Service
Found in: Hawaii International Conference on System Sciences
By Yu-Qian Zhu, Houn-Gee Chen
Issue Date:January 2011
pp. 1-9
This research coalesces three different approaches to consumer''s adoption of new technology-based service into an integrative model. We use the basic framework of TAM and supplement technology readiness and perceived risk to the model to better address th...
   
Modeling and Implementation of Unified Semantic Web Platform
Found in: Web Intelligence, IEEE / WIC / ACM International Conference on
By Jianjun Xu, Qian Zhu, Juanzi Li, Po Zhang, Kehong Wang
Issue Date:September 2004
pp. 603-606
More and more infrastructure software for semantic web has emerged with the popularity of Semantic Web. Now Semantic Web applications are calling for different infrastructure software to support essential ontology operations, such as ontology persistence, ...
 
Training support vector machine through redundant data reduction
Found in: Proceedings of the 4th International Conference on Internet Multimedia Computing and Service (ICIMCS '12)
By HaoXiang Wu, Qian Zhu, XiangJun Shen
Issue Date:September 2012
pp. 25-28
Support Vector Machine (SVM) training in a large data set involves a huge optimization problem to make SVM impractical even for a moderate data set. In this paper, we propose a method to speed SVM training by removing redundant data in the training data se...
     
Resource provisioning with budget constraints for adaptive applications in cloud environments
Found in: Proceedings of the 19th ACM International Symposium on High Performance Distributed Computing (HPDC '10)
By Gagan Agrawal, Qian Zhu
Issue Date:June 2010
pp. 304-307
Utility computing was a vision stated more than 40 years ago. It refers to the idea that computing resources and services can be delivered, utilized, and paid for as utilities such as water or electricity. The recent emergence of cloud computing is making ...
     
Supporting fault-tolerance for time-critical events in distributed environments
Found in: Proceedings of the Conference on High Performance Computing Networking, Storage and Analysis (SC '09)
By Gagan Agrawal, Qian Zhu
Issue Date:November 2009
pp. 1-12
In this paper, we consider the problem of supporting fault tolerance for adaptive and time-critical applications in heterogeneous and unreliable grid computing environments. Our goal for this class of applications is to optimize a user-specified benefit fu...
     
Generalized Gene Adjacencies, Graph Bandwidth, and Clusters in Yeast Evolution
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
By David Sankoff, Qian Zhu, Vicky Choi, Zaky Adam
Issue Date:April 2009
pp. 213-220
We present a parameterized definition of gene clusters that allows us to control the emphasis placed on conserved order within a cluster. Though motivated by biological rather than mathematical considerations, this parameter turns out to be closely related...
     
Supporting fault-tolerance in streaming grid applications
Found in: Proceedings of the 12th ACM SIGPLAN symposium on Principles and practice of parallel programming (PPoPP '07)
By Gagan Agrawal, Liang Chen, Qian Zhu
Issue Date:March 2007
pp. 156-157
Transactions are a simple and powerful mechanism for establishing fault-tolerance. To allow multiple processes to cooperate in a transaction we relax the isolation property and use message passing for communication. We call the new abstraction a speculatio...
     
A Novel Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Picture Selection
Found in: Image and Signal Processing, Congress on
By Yun Deng, Qiang Peng, Chang-qian Zhu
Issue Date:May 2008
pp. 329-333
This paper proposes a novel fine granularity scalability coding framework with hybrid open-close loop structures (KRPS-FGS) based on key reference picture. The open-structure with single prediction loop is exploited to code non-key frames to achieve the be...
 
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