Towards Efficient Large-Scale VPN Monitoring and Diagnosis under Operational Constraints (2009)
Yao Zhao, Zhaosheng Zhu, Yan Chen, Dan Pei, Jia Wang
Abstract — Continuous monitoring and diagnosis of network performance are of crucial importance for the Internet access service and virtual private network (VPN) service providers. Various...
MAKE-TO-STOCK SYSTEMS WITH BACKORDERS: IPA GRADIENTS (2009)
R. Ingalls, M. Rossetti, J. Smith, B. Peters, Yao Zhao, Benjamin Melamed
We consider single-stage, single-product Make-to-Stock systems with random demand and random service (production) rate, where demand shortages at the inventory facility are backordered. The...
Automatic Vulnerability Checking of IEEE 802.16 WiMAX Protocols through TLA+ (2009)
Prasad Narayana, Ruiming Chen, Yao Zhao, Yan Chen, Zhi (judy Fu, Hai Zhou
Abstract — Vulnerability analysis is indispensably the first step towards securing a network protocol, but currently remains mostly a best effort manual process with no completeness guarantee....
IPA Derivatives for Make-to-Stock Production-Inventory Systems With Lost Sales (2008)
A stochastic fluid model (SFM) is a queueing model in which workload flow is modeled as fluid flow. More specifically, the traditional discrete arrival, service and departure stochastic processes are...
IPA Derivatives for Make-to-Stock Production-Inventory Systems With Backorders (2008)
A single-stage Make-to-Stock (MTS) production-inventory system consists of a production facility coupled to an inventory facility, and is subject to a policy that aims to maintain a prescribed...
Automatic Vulnerability Checking of IEEE 802.16 WiMAX Protocols through TLA+ (2008)
Prasad Narayana, Ruiming Chen, Yao Zhao, Yan Chen, Zhi (judy Fu, Hai Zhou
Abstract — Vulnerability analysis is indispensably the first step towards securing a network protocol, but currently remains mostly a best effort manual process with no completeness guarantee....
Detecting Stealthy Spreaders Using Online Outdegree Histograms ABSTRACT (2008)
Yan Gao, Yao Zhao, Robert Schweller, Shobha Venkataraman, Yan Chen, Dawn Song, ...
We consider the problem of detecting the presence of a sufficiently large number of hosts that connect to more than a certain number of unique destinations within a given time window, over high-speed...
ABSTRACT Towards Unbiased End-to-End Network Diagnosis (2008)
Internet fault diagnosis is extremely important for end users, overlay network service providers (like Akamai [1]) and even Internet service providers (ISPs). However, because link-level properties...
Detecting Stealthy Spreaders Using Online Outdegree Histograms ABSTRACT (2008)
Yan Gao, Yao Zhao, Robert Schweller, Shobha Venkataraman, Yan Chen, Dawn Song, ...
We consider the problem of detecting the presence of a sufficiently large number of hosts that connect to more than a certain number of unique destinations within a given time window, over high-speed...
Detecting Stealthy Spreaders Using Online Outdegree Histograms ABSTRACT (2008)
Yan Gao, Yao Zhao, Robert Schweller, Shobha Venkataraman, Yan Chen, Dawn Song, ...
We consider the problem of detecting the presence of a sufficiently large number of hosts that connect to more than a certain number of unique destinations within a given time window, over high-speed...
BJTU TRECVID 2006 Video Retrieval System (2008)
Shikui Wei, Yao Zhao, Zhenfeng Zhu, Nan Liu, Yufeng Zhao, Liang Zhang, ...
In this paper, we describe our experiments of search task for TRECVID 2006. This year we participated in the automatic video search subtask and the interactive video search subtask, and submitted two...
BJTU TRECVID 2007 Video Search (2008)
Shikui Wei, Yao Zhao, Zhenfeng Zhu, Nan Liu, Yufeng Zhao, Fang Wang, ...
In this paper, we describe our experiments of search task for TRECVID 2007. This year we participated in the automatic video search subtask, and submitted six runs with different combination of...
Hop ID: A Virtual Coordinate-Based Routing for Sparse Mobile Ad Hoc Networks (2008)
Yao Zhao, Yan Chen, Bo Li, Qian Zhang
Abstract—Routing in wireless communication systems such as ad hoc networks remains a challenging problem given the limited wireless bandwidth, users ’ mobility, and potentially large scale....
Third Prize Automatic Scoring System (2008)
Zun Li, Yao Zhao, Instructor Xiao Kan
Automatic Scoring System History records what happened in the past. Do you remember the 23rd Olympic Games in Los Angeles? Xu Haifeng, the Chinese athlete, won China’s first gold medal for...
ABSTRACT Towards Unbiased End-to-End Network Diagnosis (2008)
Internet fault diagnosis is extremely important for end users, overlay network service providers (like Akamai [1]) and even Internet service providers (ISPs). However, because link-level properties...
SEQUENCE WATERMARK DETECTION BASED ON FREQUENCY DISCRIMINATION (2008)
Yao Zhao, Reginald L. Lagendijk
The robustness against geometrical attacks remains one of the most challenging issues in watermarking of images and video. This paper presents an improvement of the video watermarking approach...
Zhong Zhang, Yao Zhao, Zhi-Rong Geng, Zhi-Lin Wang
In the title compound, [CoCl2(C12H14ClN3)2], the central CoII ion lies on a twofold rotation axis and adopts a distorted tetrahedral coordination geometry defined by two N atoms from two...
Dichloridobis[2-(2-chloroethyl)-1,2,3,4-tetrahydropyrazino[1,2-a]benzimidazole-κN]cobalt(II) (2008)
Zhong Zhang, Yao Zhao, Zhi-Rong Geng, Zhi-Lin Wang
In the title compound, [CoCl2(C12H14ClN3)2], the central CoII ion lies on a twofold rotation axis and adopts a distorted tetrahedral coordination geometry defined by two N atoms from two...
MR-MIL: Manifold Ranking Based Multiple-Instance Learning for Automatic Image Annotation (2008)
ZHAO, Yufeng, ZHAO, Yao, ZHU, Zhenfeng, PAN, Jeng-Shyang
A novel automatic image annotation (AIA) scheme is proposed based on multiple-instance learning (MIL). For a given concept, manifold ranking (MR) is first employed to MIL (referred as MR-MIL) for...
Lossless Data Hiding Based on Companding Technique and Difference Expansion of Triplets (2007)
WENG, ShaoWei, ZHAO, Yao, PAN, Jeng-Shyang
A reversible data hiding scheme based on the companding technique and the difference expansion (DE) of triplets is proposed in this paper. The companding technique is employed to increase the number...
Hop ID : a virtual coordinate based routing for sparse mobile ad hoc networks (2007)
Zhao, Yao, Chen, Yan, Li, Bo, Zhang, Qian
Routing in wireless communication systems such as ad hoc networks remains a challenging problem given the limited wireless bandwidth, users’ mobility, and potentially large scale. Recently, a...
FePt clusters synthesized by thermal pyrolysis of Fe and Pt compounds in an organic solvent (2006)
Sui, Yucheng, Zhao, Yao, Daniil, Maria, Li, X.Z., Sellmyer, David J.
A simple synthetic procedure involving the pyrolysis of Fe and Pt acetylacetonates mixed in trioctylamine results in the formation of alloy clusters with an average cluster around 4.2 nm and narrow...
Efficient hop id based routing for sparse ad hoc networks (2005)
Yao Zhao, Bo Li, Qian Zhang, Yan Chen, Wenwu Zhu
Routing in mobile ad hoc networks remains as a challenging problem given the limited wireless bandwidth, users ’ mobility and potentially large scale. Recently, there has been a thrust of research...
Efficient hop id based routing for sparse ad hoc networks (2005)
Yao Zhao, Bo Li, Qian Zhang, Yan Chen, Wenwu Zhu
Routing in mobile ad hoc networks remains as a challenging problem given the limited wireless bandwidth, users ’ mobility and potentially large scale. Recently, there has been a thrust of research...
Volume 2, Number2, April2006 pp. 387—398 IMPROVING THE PERFORMANCE OF FRACTAL IMAGE CODING (2004)
Abstract. This paper presents a new fractal image coding (FIC) scheme to exploit the self-similarly at the same resolution scale in natural images. The new scheme can assure the convergence of FIC...
We study the value of information sharing in a two-stage supply chain with a single manufac-turer and a single retailer in infinite time horizon, where the manufacturer has finite production capacity...
Overlay Network Monitoring and Diagnostics – Research includes algebraic approaches to 1) monitor overlay network paths while maintaining scalability, efficiency, adaptation, robustness and load...
Steady and periodic flow through a bifurcating airway model /--by Yao Zhao. (1994)
Photocopy of typescript.
The impact of information sharing on supply chain performance.
Thesis (Ph. D., Industrial Engineering and Management Studies)--Northwestern University, 2002.
The impact of information sharing on supply chain performance [electronic resource].
This thesis is motivated by the impact that information technology has had on supply chain management. In particular, information technology has changed the way companies interact with suppliers and...
The impact of information sharing on supply chain performance
Thesis (Ph.D.)--Northwestern University, 2002.
Managing stochastic inventory systems with free shipping option
Zhou, Bin, Katehakis, Michael N., Zhao, Yao
In many industries, customers are offered free shipping whenever an order placed exceeds a minimum quantity specified by suppliers. This allows the suppliers to achieve economies of scale in terms of...
We consider a multi-product and multi-component Assemble-to-Order (ATO) system where the external demand follows compound Poisson processes and component inventories are controlled by continuous-time...