Three fundamental and related problems, with applications in networks and graph databases, are the focus of this dissertation. They are: how to answer quickly whether a vertex can reach another...
Efficiently Answering Reachability Queries on Very Large Directed Graphs (2009)
Ruoming Jin, Yang Xiang, Ning Ruan, Haixun Wang, Graph Indexing
Efficiently processing queries against very large graphs is an important research topic largely driven by emerging real world applications, as diverse as XML databases, GIS, web mining, social...
Succinct Summarization of Transactional Databases: An Overlapped Hyperrectangle Scheme (2009)
Yang Xiang, Ruoming Jin, David Fuhry, Feodor F. Dragan
Transactional data are ubiquitous. Several methods, including frequent itemsets mining and co-clustering, have been proposed to analyze transactional databases. In this work, we propose a new...
Collective Additive Tree Spanners of Homogeneously Orderable Graphs [Extended Abstract] (2009)
Feodor F. Dragan, Chenyu Yan, Yang Xiang
Abstract. In this paper we investigate the (collective) tree spanners problem in homogeneously orderable graphs. This class of graphs was introduced by A. Brandstädt et al. to generalize the dually...
Effective and Efficient Itemset Pattern Summarization: Regression-based Approaches (2009)
Ruoming Jin, Muad Abu-ata, Yang Xiang, Ning Ruan
In this paper, we propose a set of novel regression-based approaches to effectively and efficiently summarize frequent itemset patterns. Specifically, we show that the problem of minimizing the...
Efficiently Answering Reachability Queries on Very Large Directed Graphs (2009)
Ruoming Jin, Yang Xiang, Ning Ruan, Haixun Wang
Efficiently processing queries against very large graphs is an important research topic largely driven by emerging real world applications, as diverse as XML databases, GIS, web mining, social...
Managing email overload with an automatic nonparametric clustering system (2009)
Email overload is a recent problem that there is increasingly difficulty that people have to process the large number of emails received daily. Currently, this problem becomes more and more serious...
Using multi-core processors to support network security applications (2008)
Multi-core processors represent a major evolution in computing hardware technology. Multi-core provides a network security application with more processing power from the hardware perspective....
Managing email overload with an automatic nonparametric clustering system (2008)
Email overload is a recent problem that there is increasingly difficulty that people have to process the large number of emails received daily. Currently, this problem becomes more and more serious...
Protecting web services from DDoS attacks by SOTA (2008)
Chonka, Ashley., Zhou, Wanlei., Xiang, Yang.
In the area of SOA and Web Service Security,many well defined security dimensions have been established. However, current Web Security Systems (WS-Security for example) are not equipped to handle...
Ubiquitous multicore (UM) methodology for multimedia (2008)
Chonka, Ashley., Zhou, Wanlei., Ngo, Leanne., Xiang, Yang.
For at least a decade or more, multimedia developers have taken for granted, that each generation of microprocessors would lead them to modify their application, in order make them run substantially...
Multi-core security defense system (MSDS) (2008)
Chonka, Ashley., Zhou, Wanlei., Xiang, Yang.
Today’s security program developers are not only facing an uphill battle of developing and implementing. But now have to take into consideration, the emergence of next generation of multi-core...
A cross-authentication model and implementation (2008)
Li, Zhongwen., Chen, Qiong., Xiang, Yang.
The current status is that there is coexistence of different authentication mechanisms in heterogeneous domains. We have noticed that the there are [sic] little work has been done in...
Checkpointing schemes for grid workflow systems (2008)
One of the major challenges in wide use of Grid workflow systems is fault tolerance and avoidance. Checkpointing schemes provide a way of fault detection and recovery. In our research, we focus on...
Defending against the propagation of active worms (2008)
Recently, active worms such as the Code Red worm of 2001 and the Slammer worm of 2003, both of which adopted the uniform scanning approach, have caused significant financial loss due to their rapid...
Protecting web services with service oriented traceback architecture (2008)
Chonka, Ashley., Zhou, Wanlei., Xiang, Yang.
Service Oriented Architecture (SOA) is a way of reorganizing software infrastructure into a set of service abstracts. In the area of applying SOA to Web Service Security, there have been some well...
Shortening the slow start phase in the propagation of active worms (2008)
Recently, active worms have done significant damages due to their rapid propagation over the Internet. This paper presents a study on strategies that future active worms might employ to shorten the...
Recently, active worms have done significant damage due to their rapid propagation over the Internet. We studied propagation mechanisms of active worms employing single target discovery technique and...
Protecting information systems from DDoS attack using multicore methodology (2008)
Chonka, Ashley., Zhou, Wanlei., Knapp, Keith., Xiang, Yang.
Protecting Information Systems from DDoS Attack Using Multicore Methodology
Multi-core defense system (MSDS) for protecting computer infrastructure against DDoS attacks (2008)
Chonka, Ashley., Zhou, Wanlei., Chong, Soon Keow., Xiang, Yang.
Distributed Denial of Service attacks is one of the most challenging areas to deal with in Security. Not only do security managers have to deal with flood and vulnerability attacks. They also have to...
Detecting and tracing DDoS attacks by Intelligent Decision Prototype (2008)
Chonka, Ashley., Zhou, Wanlei., Singh, Jaipal., Xiang, Yang.
Over the last couple of months a large number of Distributed Denial of Service (DDoS) attacks have occurred across the world, especially targeting those who provide web services. IP traceback, a...
A Multi-core supported intrusion detection system (2008)
Integrated multi-core processors with on-chip application acceleration have established themselves as the most efficient method of powering next-generation networking platforms. New research has been...
Network attacks and defense systems (2008)
Zhou, Wanlei., Xiang, Yang., Guo, Minyi.
In recent years there has been significant increase in attacks via wired, wireless and optical transmission platforms, such as DDoS, viruses, worms, spyware, and malware, etc, causing huge economical...
Using Multi-core to Support Security-Related Applications (2008)
This tutorial introduces the challenges of modern security-related applications and the opportunities that multi-core technology brings. We envision that multi-core supported security applications...
Multi-core Defense System (MSDS) for protecting computer infrastructure against DDoS attacks (2008)
Chonka, Ashley, Chong, Soon-Keow, Zhou, Wanlei, Xiang, Yang
Distributed Denial of Service attacks is one of the most challenging areas to deal with in Security. Not only do security managers have to deal with flood and vulnerability attacks. They also have to...
Proceedings of IFIP Network and Parallel Computing Workshops (NPC 2007) (2007)
Li, Keqiu, Xiang, Yang, Faculty Of Business And Informatics.
Proceedings of IFIP Network and Parallel Computing Workshops.
Pervasive computing at tableside : a wireless web-based ordering system (2007)
In this paper, we introduce a wireless web-based ordering system called iMenu in restaurant industry. By using wireless devices such as Personal Digital Assistants (PDAs) and WebPads, this system...
Defending against Distributed Denial of Service (2007)
Distributed Denial of Service (DDoS) attack is currently a serious problem in the Internet. It is characterized by an explicit attempt by an attacker to prevent legitimate users of a service from...
Spam classification using adaptive boosting algorithm (2007)
Spam is no doubt a new and growing threat to the Internet and its end users. This paper investigates current approaches for blocking spam and proposes a new spam classification method by using...
Managing email overload with an automatic nonparametric clustering approach (2007)
Xiang, Yang., Zhou, Wanlei., Chen, Jinjun.
Email overload is a recent problem that there is increasingly difficulty people have faced to process the large number of emails received daily. Currently this problem becomes more and more serious...
On the effectiveness of flexible deterministic packet marking for DDoS defense (2007)
Xiang, Yang., Zhou, Wanlei., Li, Zhongwen., Zeng, Qun.
IP traceback is one of the defense mechanisms for Distributed Denial of Service (DDoS) attacks. However, most traceback schemes consume extensive resources such as CPU, memory, disk storage and...
Simulation and analysis of DDos in active defense environment (2007)
Li, Zhongwen., Xiang, Yang., He, Dongsheng.
Currently there is very few data that can describe the whole profile of a DDoS attack. In this paper, the active DDoS defense system deploys a number of sub-systems, such as Flexible Deterministic...
Managing email overload with an automatic nonparametric clustering approach (2007)
Xiang, Yang, Zhou, Wanlei, Chen, Jinjun
Email overload is a recent problem that there is increasingly difficulty people have faced to process the large number of emails received daily. Currently this problem becomes more and more serious...
Pervasive computing at tableside: a wireless web-based ordering system (2007)
Purpose – The purpose of this paper is to introduce a wireless web-based ordering system called iMenu in the restaurant industry. Design/methodology/approach – By using wireless devices...
Protecting information infrastructure from DDoS attacks by MADF (2006)
Distributed Denial of Service (DDoS) attacks have become one of the most serious threats to the information infrastructure. In this paper, we propose a new approach, Mark-Aided Distributed Filtering...
Classifying DDoS packets in high-speed networks (2006)
Recently high-speed networks have been utilized by attackers as Distributed Denial of Service (DDoS) attack infrastructure. Services on high-speed networks also have been attacked by successive waves...
Protecting web applications from DDoS attacks by an active distributed defense system (2006)
In the last a few years a number of highly publicized incidents of Distributed Denial of Service (DDoS) attacks against high-profile government and commercial websites have made people aware of the...
Distributed defense against distributed denial-of-service attacks (2005)
Shi, Wei, Xiang, Yang, Zhou, Wanlei
Distributed defense is a promising way to neutralize the distributed Denial-of-Service attacks by detecting and responding the attacking sources widespread around the Internet. Components of the...
Safeguard information infrastructure against DDoS attacks: experiments and modeling (2005)
Nowadays Distributed Denial of Service (DDoS) attacks have made one of the most serious threats to the information infrastructure. In this paper we firstly present a new filtering approach,...
Intelligent DDoS packet filtering in high-speed networks (2005)
Currently high-speed networks have been attacked by successive waves of Distributed Denial of Service (DDoS) attacks. There are two major challenges on DDoS defense in the high-speed networks. One is...
A defense system against DDoS attacks by large-scale IP traceback (2005)
In this paper, we present a new approach, called Flexible Deterministic Packet Marking (FDPM), to perform a large-scale IP traceback to defend against Distributed Denial of Service (DDoS) attacks. In...
Mark-aided distributed filtering by using neural network for DDoS defense (2005)
Currently Distributed Denial of Service (DDoS) attacks have been identified as one of the most serious problems on the Internet. The aim of DDoS attacks is to prevent legitimate users from accessing...
GHIRS: integration of hotel management systems by web services (2004)
Xiang, Yang, Zhou, Wanlei, Chowdhury, Morshed
Nowadays web services technology is widely used to integrate heterogeneous systems and develop new applications. In this paper, an application of integration of hotel management systems by web...
Protect grids from DDoS attacks (2004)
Recently a number of highly publicised incidents of Distributed Denial of Service (DDoS) attacks have made people aware of the importance of providing available securely the grids’ data and...
Towards extended machine translation model for next generation world wide web (2004)
Nasierding, Gulisong, Xiang, Yang, Dai, Honghua
In this paper, we proposed a Data Translation model which potentially is a major promising web service of the next generation world wide web. This technique is somehow analogy to the technique of...
Filtering mobile spam by support vector machine (2004)
Xiang, Yang, Chowdhury, Morshed, Ali, Shawkat
Currently mobile spam has been a major menace to the development of wireless networks. In this paper, the mobile spam problem and its countermeasures are analysed. In particular, we propose a Support...
Object oriented finite element analysis: a distributed approach to mesh generation (2002)
Xiang, Yang, Ping, Yang, Zhou, Wanlei
The object-oriented finite element method (OOFEM) has attracted the attention of many researchers. Compared with the traditional finite element method, OOFEM software has the advantages of...
Finite Element Method (FEM) is widely used in Science and Engineering since 1960’s. The vast majority of FEM software is procedure-oriented. However, this conventional style of designing FEM...
A web-DB model on multicast and anycast (2002)
Yu, Shui, Zhou, Wanlei, Zhao, Ying, Lan, Mingjun, Xiang, Yang
Most of the current web-based database systems suffer from poor performance, complicated heterogeneity, and synchronization issues. In this paper, we propose a novel mechanism for web-based database...