Search results for: Weibo Gong

Items from 1 to 20 out of 49 results

chapter

On fast retrieval of relational experiences

Weibo Gong, Yu-Chi Ho

2017 American Control Conference (ACC) > 3206 - 3211

2017 American Control Conference (ACC)

Various intelligent systems are needed for cyber-physical systems. Such intelligent systems need to learn from the human intelligence about concept abstraction and analogical thinking in order to resolve complex issues using past experiences. The algorithms for abstraction and analogies are based on quick memory recall with clever information coding and processing. The quick and accurate memory recall...

chapter

Image feature extraction based on spectral graph information

Jieqi Kang, Shan Lu, Weibo Gong, Patrick A. Kelly

2016 IEEE International Conference on Image Processing (ICIP) > 46 - 50

2016 IEEE International Conference on Image Processing (ICIP)

Graphs have been widely used in image processing and understanding tasks. We introduce a novel graph generation model which greatly reduces the size of the traditional pixel-based graph. Based on the generated graph, we propose two feature extraction methods which utilize spectral graph information, and apply the features to image. Experiments show that our proposed oscillatory image heat content...

chapter

Poisson Process Driven Stochastic Differential Equations for bivariate heavy tailed distributions

Shan Lu, Gennady Samorodnitsky, Weibo Gong, Bo Jiang, more

2016 American Control Conference (ACC) > 2977 - 2982

2016 American Control Conference (ACC)

Stochastic differential equations have been used intensively in stochastic control. In this paper, we present 2-dimensional Poisson Counter Driven Stochastic Differential Equation (PCSDE) models that lead to correlated bivariated power law behaviors. We propose two types of 2D PCSDE models and study their tail dependence behavior. The first model generates tail dependence coefficient with values either...

chapter

Dynamic Resource Allocation for Shared Data Centers Using Online Measurements

Abhishek Chandra, Weibo Gong, Prashant Shenoy

Lecture Notes in Computer Science > Quality of Service — IWQoS 2003 > Web Services > 381-398

Since web workloads are known to vary dynamically with time, in this paper, we argue that dynamic resource allocation techniques are necessary to provide guarantees to web applications running on shared data centers. To address this issue, we use a system architecture that combines online measurements with prediction and resource allocation techniques. To capture the transient behavior of the application...

chapter

Spatial/temporal coding for involuntary concept abstraction using linear dynamic systems

Weibo Gong

2015 European Control Conference (ECC) > 788 - 793

2015 European Control Conference (ECC)

The main purpose of biological memory is to robustly recognize objects and concepts, not to reconstruct their copies. For this the memory should mostly record the relations among the constituents of the incoming signals, rather than the constituents themselves. Relational memories can be stored in the form of network connectivity between neurons. However, similarity testing for such spatial representations...

chapter

A complex network based feature extraction for image retrieval

Jieqi Kang, Shan Lu, Weibo Gong, Patrick A. Kelly

2014 IEEE International Conference on Image Processing (ICIP) > 2051 - 2055

2014 IEEE International Conference on Image Processing (ICIP)

In this paper, we propose a complex network based low-level feature for image retrieval systems based on the graph representation of the image and the mathematical theory of diffusion over manifolds. We show that the proposed image feature is invariant to non-structural changes on images and performs well in hand written digits classification task. We also show that performance of image retrieval...

chapter

Reliability analysis for cryptographic key management

Sheng Xiao, Weibo Gong, Don Towsley, Qingquan Zhang, more

2014 IEEE International Conference on Communications (ICC) > 999 - 1004

ICC 2014 - 2014 IEEE International Conference on Communications

The main duty of key management is to keep cryptographic keys in secret. However, it is difficulty to quantitatively assess that how well does a key management scheme protect the keys. In this paper, we propose to use reliability theory, which was mainly used to evaluate performance persistence for engineering systems, to estimate the performance of key management schemes. The reliability analysis...

article

A Dynamic Secret-Based Encryption Scheme for Smart Grid Wireless Communication

Ting Liu, Yang Liu, Yashan Mao, Yao Sun, more

IEEE Transactions on Smart Grid > 2014 > 5 > 3 > 1175 - 1182

Integrating information network into power system is the key for realizing the vision of smart grid, but also introduces many security problems. Wireless communication offers the benefits of low cost, rapid deployment, shared communication medium, and mobility; at the same time, it causes many security and privacy challenges. In this paper, the concept of dynamic secret is applied to design an encryption...

article

A Study on the Performance of a Three-Stage Load-Balancing Switch

Yan Cai, Xiaolin Wang, Weibo Gong, Don Towsley

IEEE/ACM Transactions on Networking > 2014 > 22 > 1 > 52 - 65

There has been a great deal of interest recently in load-balancing switches due to their simple architecture and high forwarding bandwidth. Nevertheless, the mis-sequencing problem of the original load-balancing switch hinders the performance of underlying TCP applications. Several load-balancing switch designs have been proposed to address this mis-sequencing issue. They solve this mis-sequencing...

chapter

Transient response functions for graph structure addressable memory

Weibo Gong

52nd IEEE Conference on Decision and Control > 6978 - 6985

2013 IEEE 52nd Annual Conference on Decision and Control (CDC)

While neurons in the brain are individually quite slow, collectively they can recognize concrete objects as well as abstract concepts very quickly. Motivated by this puzzling fact we propose biologically plausible algorithms that are capable of quickly recognizing similar graph structures. Graphs are combinatorial constructions and pose serious challenges to similarity testing. In this paper we use...

article

Semi-Random Backoff: Towards Resource Reservation for Channel Access in Wireless LANs

Yong He, Jie Sun, Xiaojun Ma, Athanasios V. Vasilakos, more

IEEE/ACM Transactions on Networking > 2013 > 21 > 1 > 204 - 217

This paper proposes a semi-random backoff (SRB) method that enables resource reservation in contention-based wireless LANs. The proposed SRB is fundamentally different from traditional random backoff methods because it provides an easy migration path from random backoffs to deterministic slot assignments. The central idea of the SRB is for the wireless station to set its backoff counter to a deterministic...

chapter

Stochastic differential equations for power law behaviors

Bo Jiang, Roger Brockett, Weibo Gong, Don Towsley

2012 IEEE 51st IEEE Conference on Decision and Control (CDC) > 6696 - 6701

2012 IEEE 51st Annual Conference on Decision and Control (CDC)

In this paper we present simple stochastic differential equations that lead to lower-tail and/or upper tail power law behaviors. We also present a model with bi-directional Poisson counters that exhibits power law behavior near a critical point, which might be of interest to statistical physics.

article

Overexpression and characterization of a novel (S)-specific extended short-chain dehydrogenase/reductase from Candida parapsilosis

Qiuyan Wang, Linghong Shen, Tingting Ye, Dan Cao, more

Bioresource Technology > 2012 > 123 > Complete > 690-694

The gene encoding a putative protein from Candida parapsilosis CDC317 (CPE) was cloned and overexpressed in Escherichia coli. The protein was amenable to overexpression in E. coli and constituted 35% of the total cell protein content. The optimal activity was determined at pH 5.5 and 40°C with the substrate 4-chloro-3-oxobutanoate ethyl ester (COBE). The optical purity of the product was over 99%...

chapter

Can one hear the shape of a concept?

Weibo Gong

Proceedings of the 31st Chinese Control Conference > 22 - 26

2012 Chinese Control Conference (CCC)

We propose to use random walk on graph for concept abstraction in high intelligence.

article

Variable-Word-Length Coding for Energy-Aware Signal Transmission

Abhijit Kadrolkar, Robert X. Gao, Ruqiang Yan, Weibo Gong

IEEE Transactions on Instrumentation and Measurement > 2012 > 61 > 4 > 850 - 864

This paper presents an energy-efficient method for data transmission through improved data compression. This is achieved by a new signal source coding method based on the Walsh transform. This research is motivated by the need for extended service life of wireless sensor networks, where individual sensor nodes are energy constrained. Theoretical background is introduced, and its effectiveness is established...

article

Retrieval of glycoside hydrolase family 9 cellulase genes from environmental DNA by metagenomic gene specific multi-primer PCR

Xiaolong Xiong, Xiaopu Yin, Xiaolin Pei, Peng Jin, more

Biotechnology Letters > 2012 > 34 > 5 > 875-882

A new method, termed metagenomic gene specific multi-primer PCR (MGSM-PCR), is presented that uses multiple gene specific primers derived from an isolated gene from a constructed metagenomic library rather than degenerate primers designed based on a known enzyme family. The utility of MGSM-PCR was shown by applying it to search for homologues of the glycoside hydrolase family 9 cellulase in metagenomic...

chapter

A secure energy routing mechanism for sharing renewable energy in smart microgrid

Ting Zhu, Sheng Xiao, Yi Ping, Don Towsley, more

2011 IEEE International Conference on Smart Grid Communications (SmartGridComm) > 143 - 148

2011 IEEE Second International Conference on Smart Grid Communications (SmartGridComm)

Due to volatile and rising energy prices, smart microgrids appear to be increasingly popular. Instead of one centrally located power plant, the microgrids will rely on solar panels and wind turbines on every house sharing renewable energy among houses. How to efficiently and optimally share energy is a challenging problem. In order to efficiently share renewable energy, routing protocols in the data...

chapter

A new virtual indexing method for measuring host connection degrees

Pinghui Wang, Xiaohong Guan, Weibo Gong, Don Towsley

2011 Proceedings IEEE INFOCOM > 156 - 160

IEEE INFOCOM 2011 - IEEE Conference on Computer Communications

We present a new virtual indexing method for estimating host connection degrees for high speed links. It is based on the virtual connection degree sketch where a compact sketch of network traffic is built by generating the associated virtual bitmaps for each host. Each virtual bitmap consists of a fixed number of bits selected randomly from a shared bit array by a new method for recording the traffic...

article

Analysis of traffic correlation attacks on router queues

Yan Cai, Patrick P.C. Lee, Weibo Gong, Don Towsley

Computer Networks > 2011 > 55 > 3 > 734-747

Traffic burstiness is known to be undesirable for a router as it increases the router’s queue length and hence the queueing delays of data flows. This poses a security problem in which an attacker intentionally introduces traffic burstiness into routers. We consider a correlation attack, whose fundamental characteristic is to correlate multiple attack flows to generate synchronized small attack bursts,...

article

On the complexity and manageability of Internet infrastructure

Ruixi Yuan, Weibo Gong

Frontiers of Electrical and Electronic Engineering > 2011 > 6 > 3 > 424-428

The ever increasing complexity of the Internet has made it impossible to effectively manage the Internet infrastructure. In this paper, we argue that the increased complexity was due to the “random accidents” introduced throughout the evolution of the Internet, such as ad-hoc based routing, cross-layer optimizations. These ad-hoc events increased the vulnerability and degraded the manageability of...

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Keywords

TELECOMMUNICATION TRAFFIC (9)
INTERNET (8)
DELAY (6)
MARKOV PROCESSES (6)
TELECOMMUNICATION SECURITY (6)
WIRELESS LAN (6)
QUEUEING THEORY (5)
RADIATION DETECTORS (5)
WIRELESS COMMUNICATION (5)
DATA COMMUNICATION (4)
HEURISTIC ALGORITHMS (4)
MATHEMATICAL MODEL (4)
ANALYTICAL MODELS (3)
BANDWIDTH (3)
COMPUTERS (3)
CRYPTOGRAPHY (3)
DIFFERENTIAL EQUATIONS (3)
NETWORK SECURITY (3)
PACKET SWITCHING (3)
RESOURCE RESERVATION (3)
SECURITY (3)
TIME DIVISION MULTIPLE ACCESS (3)
WIRELESS CHANNELS (3)
ALGORITHM DESIGN AND ANALYSIS (2)
BACKOFF ALGORITHM (2)
BUFFER OVERFLOWS (2)
CARRIER SENSE MULTIPLE ACCESS (2)
COMPUTER ARCHITECTURE (2)
COMPUTER SECURITY (2)
DATA COMPRESSION (2)
DATA MINING (2)
EIGENVALUES AND EIGENFUNCTIONS (2)
ENCODING (2)
EQUATIONS (2)
FABRICS (2)
HEATING (2)
IEEE 802.11 STANDARDS (2)
IEEE 802.11E STANDARD (2)
INTERFERENCE (2)
INVASIVE SOFTWARE (2)
LAPLACE EQUATIONS (2)
MEDIUM ACCESS CONTROL (MAC) (2)
MONITORING (2)
NETWORK TRAFFIC (2)
OPTICAL BUFFERING (2)
OPTICAL FIBRE NETWORKS (2)
OPTICAL PACKET SWITCHING (2)
OPTICAL SWITCHES (2)
OPTIMIZATION (2)
PACKET LOSSES (2)
QUALITY OF SERVICE (2)
QUEUE LENGTH (2)
QUEUEING ANALYSIS (2)
RESONANT FREQUENCY (2)
SIGNAL PROCESSING (2)
SMART GRIDS (2)
STOCHASTIC PROCESSES (2)
STREAMING MEDIA (2)
TELECOMMUNICATION CONGESTION CONTROL (2)
TELECOMMUNICATION SWITCHING (2)
TESTING (2)
THROUGHPUT (2)
TRAFFIC BURSTINESS (2)
TRAFFIC PACING (2)
VIDEO STREAMING (2)
WALSH TRANSFORM (2)
WIRELESS SENSOR NETWORKS (2)
WORM MODELING (2)
100% THROUGHPUT (1)
60 GHZ (1)
802.11 DCF NETWORK (1)
802.11 HOME NETWORKS (1)
802.11 POWER SAVING (1)
802.11 WIRELESS LAN (1)
802.11E EDCA NETWORK (1)
802.11E HCCA (1)
ACCURACY (1)
AD HOC NETWORKS (1)
AD-HOC WIRELESS NETWORK (1)
ADAPTIVE DEFENSE (1)
ADAPTIVE DEFENSE SYSTEM DESIGN (1)
ADAPTIVE PACING (1)
ADDITIVE INCREASE MULTIPLICATIVE DECREASE (1)
ADMISSIBLE TRAFFIC (1)
ALGORITHM (1)
ALL-OPTICAL PACKET-SWITCHED NETWORKS (1)
ANALOG EQUALIZER (1)
ANALOG SIGNAL PROCESSING (1)
APPLICATION SOFTWARE (1)
APPROXIMATION ERROR (1)
APPROXIMATION METHODS (1)
ARRAYS (1)
ARRIVAL BURSTINESS (1)
ASYMMETRIC REDUCTION (1)
ATTACK DETECTION (1)
AUTHENTICATION (1)
AVAILABILITY (1)
BACKOFF CYCLE (1)
BANDWIDTH ALLOCATION (1)
BANK TELLERS (1)
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INFONA - science communication portal

Search results for: Weibo Gong

On fast retrieval of relational experiences

Image feature extraction based on spectral graph information

Poisson Process Driven Stochastic Differential Equations for bivariate heavy tailed distributions

Dynamic Resource Allocation for Shared Data Centers Using Online Measurements

Spatial/temporal coding for involuntary concept abstraction using linear dynamic systems

A complex network based feature extraction for image retrieval

Reliability analysis for cryptographic key management

A Dynamic Secret-Based Encryption Scheme for Smart Grid Wireless Communication

A Study on the Performance of a Three-Stage Load-Balancing Switch

Transient response functions for graph structure addressable memory

Semi-Random Backoff: Towards Resource Reservation for Channel Access in Wireless LANs

Stochastic differential equations for power law behaviors

Overexpression and characterization of a novel (S)-specific extended short-chain dehydrogenase/reductase from Candida parapsilosis

Can one hear the shape of a concept?

Variable-Word-Length Coding for Energy-Aware Signal Transmission

Retrieval of glycoside hydrolase family 9 cellulase genes from environmental DNA by metagenomic gene specific multi-primer PCR

A secure energy routing mechanism for sharing renewable energy in smart microgrid

A new virtual indexing method for measuring host connection degrees

Analysis of traffic correlation attacks on router queues

On the complexity and manageability of Internet infrastructure

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