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Displaying 1-50 out of 56 total
Automated Classification of Human Histological Images, A Multiple-Instance Learning Approach
Found in: Life Science Systems and Applications Workshop
By Dehua Zhao, Yixin Chen, H. Correa
Issue Date:July 2006
pp. 1-2
In this paper, we apply a multiple-instance learning (MIL) method, MILES (multiple-instance learning via embedded instance selection), to human histological image classification. MILES converts a MIL problem to a supervised learning problem by an instance-...
 
A Sparse Support Vector Machine Approach to Region-Based Image Categorization
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Jinbo Bi, Yixin Chen, James Z. Wang
Issue Date:June 2005
pp. 1121-1128
Automatic image categorization using low-level features is a challenging research topic in computer vision. In this paper, we formulate the image categorization problem as a multiple-instance learning (MIL) problem by viewing an image as a bag of instances...
 
Partitioned optimization algorithms for multiple sequence alignment
Found in: Advanced Information Networking and Applications, International Conference on
By Yixin Chen, Yi Pan, Juan Chen, Wei Liu, Ling Chen
Issue Date:April 2006
pp. 618-622
Multiple sequence alignment is an important and difficult problem in molecular biology and bioinformatics. In this paper, we propose a partitioning approach that significantly improves the solution time and quality by utilizing the locality structure of th...
 
Kernel Density Metric Learning
Found in: 2013 IEEE International Conference on Data Mining (ICDM)
By Yujie He,Wenlin Chen,Yixin Chen,Yi Mao
Issue Date:December 2013
pp. 271-280
This paper introduces a supervised metric learning algorithm, called kernel density metric learning (KDML), which is easy to use and provides nonlinear, probability-based distance measures. KDML constructs a direct nonlinear mapping from the original input...
 
Intelligent Sensor Placement for Hot Server Detection in Data Centers
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xiaodong Wang,Xiaorui Wang,Guoliang Xing,Jinzhu Chen,Cheng-Xian Lin,Yixin Chen
Issue Date:August 2013
pp. 1577-1588
Recent studies have shown that a significant portion of the total energy consumption of many data centers is caused by the inefficient operation of their cooling systems. Without effective thermal monitoring with accurate location information, the cooling ...
 
Medical Data Mining for Early Deterioration Warning in General Hospital Wards
Found in: Data Mining Workshops, International Conference on
By Yi Mao,Yixin Chen,Gregory Hackmann,Minmin Chen,Chenyang Lu,Marin Kollef,Thomas C. Bailey
Issue Date:December 2011
pp. 1042-1049
Data mining on medical data has great potential to improve the treatment quality of hospitals and increase the survival rate of patients. Every year, $4$ -- $17\%$ of patients undergo cardiopulmonary or respiratory arrest while in hospitals. Early predicti...
 
Can Cloud Computing Be Used for Planning? An Initial Study
Found in: Cloud Computing Technology and Science, IEEE International Conference on
By Qiang Lu,You Xu,Ruoyun Huang,Yixin Chen,Guoliang Chen
Issue Date:December 2011
pp. 1-8
Cloud computing is emerging as a prominent computing model. It provides a low-cost, highly accessible alternative to other traditional high-performance computing platforms. It also has many other benefits such as high availability, scalability, elasticity,...
 
Towards Optimal Sensor Placement for Hot Server Detection in Data Centers
Found in: Distributed Computing Systems, International Conference on
By Xiaodong Wang, Xiaorui Wang, Guoliang Xing, Jinzhu Chen, Cheng-Xian Lin, Yixin Chen
Issue Date:June 2011
pp. 899-908
Recent studies have shown that a significant portion of the total energy consumption of many data centers is caused by the inefficient operation of their cooling systems. Without effective thermal monitoring with accurate location information, the cooling ...
 
Diversity Guaranteed Ant Colony Algorithm Based on Immune Strategy
Found in: Computer and Computational Sciences, International Multi-Symposiums on
By Ling Qin, Yixin Chen, Jianli Luo, Ling Chen, Jing Guo
Issue Date:June 2006
pp. 217-223
A diversity guaranteed ant colony algorithm is presented by simulating the behavior of biological immune system. The algorithm adopts the immunogenic methods immune selection, immune memory, immune metabolism, density control and isolation niche technique....
 
A New Way of Solving Multiple Constrained QoS Multi-routing Problems
Found in: Computer and Computational Sciences, International Multi-Symposiums on
By Ling Qin, Yixin Chen, Jianli Luo, Jing Guo, Ling Chen
Issue Date:June 2006
pp. 668-675
A new way of solving the bandwidth, delay, delay jitter and packet loss constrained least-cost quality of service (QoS) Multi-routing problem is presented. It harmonizes the intrinsic attributes of each constraint of QoS and in different stage, the algorit...
 
A Computational Framework for Taxonomic Research: Diagnosing Body Shape within Fish Species Complexes
Found in: Data Mining, IEEE International Conference on
By Yixin Chen, Henry L. Bart, Jr., Shuqing Huang, Huimin Chen
Issue Date:November 2005
pp. 593-596
It is estimated that ninety percent of the world?s species have yet to be discovered and described. The main reason for the slow pace of new species description is that the science of taxonomy, as traditionally practiced, can be very laborious. To formally...
 
A Novel Ant Clustering Algorithm Based on Cellular Automata
Found in: Intelligent Agent Technology, IEEE / WIC / ACM International Conference on
By Ling Chen, Xiaohua Xu, Yixin Chen, Ping He
Issue Date:September 2004
pp. 148-154
Based on the principle of cellular automata in artificial life, an artificial Ants Sleeping Model (ASM) and an ant algorithm for cluster analysis (A⁴C) are presented. Inspired by the behaviors of gregarious ant colonies, we use the ant agent to represent d...
 
QoS-Aware Dynamic Composition of Web Services Using Numerical Temporal Planning
Found in: IEEE Transactions on Services Computing
By Guobing Zou,Qiang Lu,Yixin Chen,Ruoyun Huang,You Xu,Yang Xiang
Issue Date:January 2014
pp. 18-31
Web service composition (WSC) is the task of combining a chain of connected single services together to create a more complex and value-added composite service. Quality of service (QoS) has been mostly applied to represent nonfunctional properties of web s...
 
Ranking on Data Manifold with Sink Points
Found in: IEEE Transactions on Knowledge and Data Engineering
By Xue-Qi Cheng,Pan Du,Jiafeng Guo,Xiaofei Zhu,Yixin Chen
Issue Date:January 2013
pp. 177-191
Ranking is an important problem in various applications, such as Information Retrieval (IR), natural language processing, computational biology, and social sciences. Many ranking approaches have been proposed to rank objects according to their degrees of r...
 
Convexity in Non-convex Optimizations of Streaming Applications
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Shobana Padmanabhan,Yixin Chen,Roger D. Chamberlain
Issue Date:December 2012
pp. 668-675
Streaming data applications are frequently pipelined and deployed on application-specific systems to meet performance requirements and resource constraints. Typically, there are several design parameters in the algorithms and architectures used that impact...
 
Near Optimal Rate Selection for Wireless Control Systems
Found in: Real-Time and Embedded Technology and Applications Symposium, IEEE
By Abusayeed Saifullah,Chengjie Wu,Paras Babu Tiwari,You Xu,Yong Fu,Chenyang Lu,Yixin Chen
Issue Date:April 2012
pp. 231-240
With the advent of industrial standards such as Wireless Hart, process industries are now gravitating towards wireless control systems. Due to limited bandwidth in a wireless network shared by multiple control loops, it is critical to optimize the overall ...
 
Multi-class Joint Rule Extraction and Feature Selection for Biological Data
Found in: Bioinformatics and Biomedicine, IEEE International Conference on
By Sheng Liu,Ronak Y. Patel,Pankaj R. Daga,Haining Liu,Gang Fu,Robert Doerksen,Yixin Chen,Dawn Wilkins
Issue Date:November 2011
pp. 476-481
There are a vast number of biology related research problems involving a combination of multiple sources of data to achieve a better understanding of the underlying problems. It is important to select and interpret the most important information from these...
 
Optimal design-space exploration of streaming applications
Found in: Application-Specific Systems, Architectures and Processors, IEEE International Conference on
By S. Padmanabhan, Yixin Chen,R. D. Chamberlain
Issue Date:September 2011
pp. 227-230
Many embedded and scientific applications are pipelined (i.e., streaming) and deployed on application-specific systems. Typically, there are several design parameters in the algorithms and architectures used that impact the tradeoff between different metri...
 
Sensor Placement Algorithms for Fusion-Based Surveillance Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xiangmao Chang, Rui Tan, Guoliang Xing, Zhaohui Yuan, Chenyang Lu, Yixin Chen, Yixian Yang
Issue Date:August 2011
pp. 1407-1414
Mission-critical target detection imposes stringent performance requirements for wireless sensor networks, such as high detection probabilities and low false alarm rates. Data fusion has been shown as an effective technique for improving system detection p...
 
Priority Assignment for Real-Time Flows in WirelessHART Networks
Found in: Real-Time Systems, Euromicro Conference on
By Abusayeed Saifullah,You Xu,Chenyang Lu,Yixin Chen
Issue Date:July 2011
pp. 35-44
WirelessHART is a new wireless sensor-actuator network standard specifically developed for process industries. A key challenge faced by WirelessHART networks is to meet the stringent real-time communication requirements imposed by process monitoring and co...
 
End-to-End Delay Analysis for Fixed Priority Scheduling in WirelessHART Networks
Found in: Real-Time and Embedded Technology and Applications Symposium, IEEE
By Abusayeed Saifullah, You Xu, Chenyang Lu, Yixin Chen
Issue Date:April 2011
pp. 13-22
The WirelessHART standard has been specifically designed for real-time communication between sensor and actuator devices for industrial process monitoring and control. End-to-end communication delay analysis for WirelessHART networks is required for accept...
 
Real-Time Scheduling for WirelessHART Networks
Found in: Real-Time Systems Symposium, IEEE International
By Abusayeed Saifullah, You Xu, Chenyang Lu, Yixin Chen
Issue Date:December 2010
pp. 150-159
WirelessHART is an open wireless sensor-actuator network standard for industrial process monitoring and control that requires real-time data communication between sensor and actuator devices. Salient features of a WirelessHART network include a centralized...
 
Creating Virtual Networks for Distributed Virtual Computing Environment
Found in: Parallel and Distributed Systems, International Conference on
By Dongsheng Li, Yixin Chen, Feng Huang
Issue Date:December 2009
pp. 943-948
Virtual network is an important approach to support multiple legacy applications running unmodified in distributed virtual computing environments. A virtual networking approach called VirNet is proposed in this paper. VirNet can build multiple customized a...
 
Fast Sensor Placement Algorithms for Fusion-Based Target Detection
Found in: Real-Time Systems Symposium, IEEE International
By Zhaohui Yuan, Rui Tan, Guoliang Xing, Chenyang Lu, Yixin Chen, Jianping Wang
Issue Date:December 2008
pp. 103-112
Mission-critical target detection imposes stringent performance requirements for wireless sensor networks, such as high detection probabilities and low false alarm rates. Data fusion has been shown as an effective technique for improving system detection p...
 
Outlier Detection with the Kernelized Spatial Depth Function
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Yixin Chen, Xin Dang, Hanxiang Peng, Henry L. Bart Jr.
Issue Date:February 2009
pp. 288-305
Statistical depth functions provide from the “deepest
 
Depth-Based Novelty Detection and Its Application to Taxonomic Research
Found in: Data Mining, IEEE International Conference on
By Yixin Chen, Henry L. Bart Jr., Xin Dang, Hanxiang Peng
Issue Date:October 2007
pp. 113-122
It is estimated that less than 10 percent of the world's species have been described, yet species are being lost daily due to human destruction of natural habitats. The job of describing the earth's remaining species is exacerbated by the shrinking number ...
 
Vehicle Tracking and Distance Estimation Based on Multiple Image Features
Found in: Computer and Robot Vision, Canadian Conference
By Yixin Chen, Manohar Das, Devendra Bajpai
Issue Date:May 2007
pp. 371-378
In this paper, we introduce a vehicle tracking algorithm based on multiple image features to detect and track the front car in a collision avoidance system (CAS) application. The algorithm uses multiple image features, such as corner, edge, gradient, vehic...
 
MILES: Multiple-Instance Learning via Embedded Instance Selection
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Yixin Chen, Jinbo Bi, James Z. Wang
Issue Date:December 2006
pp. 1931-1947
Multiple-instance problems arise from the situations where training class labels are attached to sets of samples (named bags), instead of individual samples within each bag (called instances). Most previous multiple-instance learning (MIL) algorithms are d...
 
Motif Discovery as a Multiple-Instance Problem
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Ya Zhang, Yixin Chen, Xiang Ji
Issue Date:November 2006
pp. 805-809
Motif discovery from biosequences, a challenging task both experimentally and computationally, has been a topic of immense study in recent years. In this paper, we formulate the motif discovery problem as a multiple-instance problem and employ a multiple-i...
 
Subgoal Ordering and Granularity Control for Incremental Planning
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Chih-Wei Hsu, Yixin Chen
Issue Date:November 2005
pp. 507-514
In this paper, we study strategies in incremental planning for ordering and grouping subproblems partitioned by the subgoals of a planning problem when each sub-problem is solved by a basic planner. To generate a rich set of partial orders for ordering sub...
 
Partitioning of Temporal Planning Problems in Mixed Space Using the Theory of Extended Saddle Points
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Benjamin W. Wah, Yixin Chen
Issue Date:November 2003
pp. 266
We study the partitioning of temporal planning problems formulated as mixed-integer nonlinear programming problems, develop methods to reduce the search space of partitioned subproblems, and propose algorithms for resolving unsatisfied global constraints. ...
 
Calculus of Variations in Discrete Space for Constrained Nonlinear Dynamic Optimization
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Yixin Chen, Benjamin W. Wah
Issue Date:November 2002
pp. 67
In this paper, we propose new dominance relations that can speed up significantly the solution process of nonlinear constrained dynamic optimization problems in discrete time and space. We first show that path dominance in dynamic programming cannot be app...
 
A Fast Parallel Longest Common Subsequence Algorithm Based on Pruning Rules
Found in: Computer and Computational Sciences, International Multi-Symposiums on
By Wei Liu, Yixin Chen, Ling Chen, Ling Qin
Issue Date:June 2006
pp. 27-34
Searching for the longest common subsequence (LCS) of biosequences is one of the most important problems in bioinformatics. A fast algorithm for LCS problem FAST_LCS is presented. The algorithm first seeks the successors of the initial identical character ...
 
Distributed Channel Allocation Protocols for Wireless Sensor Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Abusayeed Saifullah,You Xu,Chenyang Lu,Yixin Chen
Issue Date:September 2014
pp. 2264-2274
Interference between concurrent transmissions can cause severe performance degradation in wireless sensor networks (WSNs). While multiple channels available in WSN technology such as IEEE 802.15.4 can be exploited to mitigate interference, channel allocati...
 
End-to-End Communication Delay Analysis in Industrial Wireless Networks
Found in: IEEE Transactions on Computers
By Abusayeed Saifullah,You Xu,Chenyang Lu,Yixin Chen
Issue Date:May 2014
pp. 1
WirelessHART is a new standard specifically designed for real-time and reliable communication between sensor and actuator devices for industrial process monitoring and control applications. End-to-end communication delay analysis for WirelessHART networks ...
 
Rule based regression and feature selection for biological data
Found in: 2013 IEEE International Conference on Bioinformatics and Biomedicine (BIBM)
By Sheng Liu,Shamitha Dissanayake,Sanjay Patel,Xin Dang,Todd Mlsna,Yixin Chen,Dawn Wilkins
Issue Date:December 2013
pp. 446-451
Regression is widely utilized in a variety of biological problems involving continuous outcomes. There are a number of methods for building regression models ranging from linear models to more complex nonlinear ones. While linear regression techniques can ...
   
Regression Cubes with Lossless Compression and Aggregation
Found in: IEEE Transactions on Knowledge and Data Engineering
By Yixin Chen, Guozhu Dong, Jiawei Han, Jian Pei, Benjamin W. Wah, Jianyong Wang
Issue Date:December 2006
pp. 1585-1599
As OLAP engines are widely used to support multidimensional data analysis, it is desirable to support in data cubes advanced statistical measures, such as regression and filtering, in addition to the traditional simple measures such as count and average. S...
 
Constrained Global Optimization by Constraint Partitioning and Simulated Annealing
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Benjamin W. Wah, Yixin Chen, Andrew Wan
Issue Date:November 2006
pp. 265-274
In this paper, we present constraint-partitioned sim- ulated annealing (CPSA), an algorithm that extends our previous constrained simulated annealing (CSA) for constrained optimization. The algorithm is based on the theory of extended saddle points (ESPs)....
 
A Region-Based Fuzzy Feature Matching Approach to Content-Based Image Retrieval
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Yixin Chen, James Z. Wang
Issue Date:September 2002
pp. 1252-1267
<p><b>Abstract</b>—This paper proposes a fuzzy logic approach, UFM (unified feature matching), for region-based image retrieval. In our retrieval system, an image is represented by a set of segmented regions, each of which is characterize...
 
A SAT-based approach to cost-sensitive temporally expressive planning
Found in: ACM Transactions on Intelligent Systems and Technology (TIST)
By Guoliang Chen, Qiang Lu, Ruoyun Huang, Weixiong Zhang, Yixin Chen, You Xu
Issue Date:December 2013
pp. 1-35
Complex features, such as temporal dependencies and numerical cost constraints, are hallmarks of real-world planning problems. In this article, we consider the challenging problem of cost-sensitive temporally expressive (CSTE) planning, which requires conc...
     
An integrated data mining approach to real-time clinical monitoring and deterioration warning
Found in: Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining (KDD '12)
By Chenyang Lu, Marin Kollef, Thomas Bailey, Wenlin Chen, Yi Mao, Yixin Chen
Issue Date:August 2012
pp. 1140-1148
Clinical study found that early detection and intervention are essential for preventing clinical deterioration in patients, for patients both in intensive care units (ICU) as well as in general wards but under real-time data sensing (RDS). In this paper, w...
     
Improving context-aware query classification via adaptive self-training
Found in: Proceedings of the 20th ACM international conference on Information and knowledge management (CIKM '11)
By Jian-Tao Sun, Minmin Chen, Xiaochuan Ni, Yixin Chen
Issue Date:October 2011
pp. 115-124
Topical classification of user queries is critical for general-purpose web search systems. It is also a challenging task, due to the sparsity of query terms and the lack of labeled queries. On the other hand, search contexts embedded in query sessions and ...
     
Constrained optimization for validation-guided conditional random field learning
Found in: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining (KDD '09)
By Aaron E. Tenney, Michael R. Brent, Minmin Chen, Yixin Chen
Issue Date:June 2009
pp. 1-24
Conditional random fields(CRFs) are a class of undirected graphical models which have been widely used for classifying and labeling sequence data. The training of CRFs is typically formulated as an unconstrained optimization problem that maximizes the cond...
     
Near optimal rate selection for wireless control systems
Found in: ACM Transactions on Embedded Computing Systems (TECS)
By Abusayeed Saifullah, Chengjie Wu, Chenyang Lu, Paras Babu Tiwari, Yixin Chen, Yong Fu, You Xu
Issue Date:March 2014
pp. 1-25
With the advent of industrial standards such as WirelessHART, process industries are now gravitating towards wireless control systems. Due to limited bandwidth in a wireless network shared by multiple control loops, it is critical to optimize the overall c...
     
Decomposition techniques for optimal design-space exploration of streaming applications
Found in: Proceedings of the 18th ACM SIGPLAN symposium on Principles and practice of parallel programming (PPoPP '13)
By Roger D. Chamberlain, Shobana Padmanabhan, Yixin Chen
Issue Date:February 2013
pp. 285-286
Streaming data programs are an important class of applications, for which queueing network models are frequently available. While the design space can be large, decomposition techniques can be effective at design space reduction. We introduce two decomposi...
     
MySQL and the trouble with temporal data
Found in: Proceedings of the 50th Annual Southeast Regional Conference (ACM-SE '12)
By Chad Vicknair, Dawn Wilkins, Yixin Chen
Issue Date:March 2012
pp. 176-181
Storing historical data is not new. Data warehouses are filled with it. However, querying temporal data has only, in the past few years, become a realistic possibility. Yet the SQL standard has not had significant updates in temporal data support since 199...
     
An open source stimulator for SSVEP-based BCIs
Found in: Proceedings of the 50th Annual Southeast Regional Conference (ACM-SE '12)
By Jason Boyd, Yixin Chen
Issue Date:March 2012
pp. 124-129
Steady-State Visual Evoked Potentials (SSVEPs) provide researchers with a mechanism for quickly reading users' inputs into a Brain Computer Interface (BCI) without the need for training or surgery. A visual stimulator is necessary to invoke SSVEP responses...
     
Preface to special issue on applications of automated planning
Found in: ACM Transactions on Intelligent Systems and Technology (TIST)
By Yixin Chen
Issue Date:November 2010
pp. 1-3
There has been an increase in the amount of multilingual text on the Internet due to the proliferation of news sources and blogs. The Urdu language, in particular, has experienced explosive growth on the Web. Text mining for information discovery, which in...
     
Near optimal multi-application allocation in shared sensor networks
Found in: Proceedings of the eleventh ACM international symposium on Mobile ad hoc networking and computing (MobiHoc '10)
By Abusayeed Saifullah, Chenyang Lu, Sangeeta Bhattacharya, Yixin Chen, You Xu
Issue Date:September 2010
pp. 181-190
Recent years have witnessed the emergence of shared sensor networks as integrated infrastructure for multiple applications. It is important to allocate multiple applications in a shared sensor network, in order to maximize the overall Quality of Monitoring...
     
Steady state visual evoked potentials by dual sine waves
Found in: Proceedings of the 48th Annual Southeast Regional Conference (ACM SE '10)
By Aik Min Choong, Dwight Waddell, Fei Teng, Pamela Lawhead, Scott Gustafson, Yixin Chen
Issue Date:April 2010
pp. 1-4
The sum of sine waves was used to evoke Steady State Visual Evoked Potentials (SSVEP). The SSVEP responses were elicited by visual stimuli in the form of a flickering light emitting diode (LED). We recorded EEG responses to these stimuli and analyzed the o...
     
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