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Adaptive neuro-fuzzy intrusion detection systems

Adaptive neuro-fuzzy intrusion detection systems

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international conference on information technology: coding and computing (itcc)

作者： S. Chavan K. Shah N. Dave S. Mukherjee A. Abraham S. Sanyal Institute of Technology for Women SNDT University India Department of Computer Science Oklahoma State University USA School of Tech. and Computer Science Tata Institute of Fundamental Research India

The intrusion detection system architecture commonly used in commercial and research systems have a number of problems that limit their configurability, scalability or efficiency. In this paper, two machine-learning paradigms, artificial neural networks and fuzzy inference system, are used to design an intrusion detection system. SNORT is used to perform real time traffic analysis and packet logging on IP network during the training phase of the system. Then a signature pattern database is constructed using protocol analysis and neuro-fuzzy learning method. Using 1998 DARPA Intrusion Detection Evaluation Data and TCP dump raw data, the experiments are deployed and discussed.

关键词： Intrusion detection Scalability Artificial neural networks Fuzzy neural networks Fuzzy systems Real time systems Telecommunication traffic Performance analysis IP networks Databases

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On permutation operations in cipher design

On permutation operations in cipher design

引用

international conference on information technology: coding and computing (itcc)

作者： R.B. Lee Z.J. Shi Y.L. Yin R.L. Rivest M.J.B. Robshaw Department of Electrical Engineering Princeton University Princeton NJ USA CSAIL M.I.T. Cambridge MA USA Information Security Group Royal Holloway University of London Egham Surrey UK

New and emerging applications can change the mix of operations commonly used within computer architectures. It is sometimes surprising when instruction-set architecture (ISA) innovations intended for one purpose are used for other (initially unintended) purposes. We consider recent proposals for the processor support of families of bit-level permutations. From a processor architecture point of view, the ability to support very fast bit-level permutations may be viewed as a further validation of the basic word-orientation of processors, and their ability to support next-generation secure multimedia processing. However, bitwise permutations are also fundamental operations in many cryptographic primitives and we discuss the suitability of these new operations for cryptographic purposes.

关键词： Cryptography Computer architecture Instruction sets Technological innovation information processing Algorithm design and analysis information security Application software Proposals Energy consumption

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Extracting new topic contents from hidden Web sites

Extracting new topic contents from hidden Web sites

引用

international conference on information technology: coding and computing (itcc)

作者： T. Mouri H. Kitagawa Graduate School of Systems and Information Engineering University of Tsukuba Tsukuba Ibaraki Japan Institute of Information Sciences and Electronics University of Tsukuba Tsukuba Ibaraki Japan

Many information sources provide their database contents through query interfaces. Hidden Web sites are typical examples. In most cases, their database contents change dynamically, with new documents on emerging topics being appended. In applications like topic detection and trend analysis, we want to discover newly emerging contents in the databases. It is very difficult, however, for ordinary users to detect them through only query interfaces, without support by database contents administrators. In this paper, we propose a novel method to automatically discover such contents. The proposed method generates biased query probes to be issued to a hidden Web site with a keyword-based query interface. The probes focus on extracting documents on newly emerging topics. We evaluate effectiveness with experiments.

关键词： Databases Data mining Probes Data engineering Cellular neural networks Systems engineering and theory Internet Data analysis information technology Computer interfaces

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Enabling personalization recommendation with WeightedFP for text information retrieval based on user-focus

Enabling personalization recommendation with WeightedFP for ...

引用

international conference on information technology: coding and computing (itcc)

作者： Zhenya Zhang Enhong Chen Jin Wang Xufa Wang Department of Computer Science University of Science and Technology Hefei China

ISBN: (纸本)0769521088

Personalization recommendation is a valid method for lightening the user's burden on information retrieval. In order to implement personalization recommendation for text information retrieval (TR), user-focus is defined and algorithms for the construction of user-focus are given in this paper. The construction of user-focus for a user depends on his entire query requests at a period of time. Each query request of the user is treated as a transaction between TR system and him. Items in a transaction are non-noise words in the query request corresponding with the transaction. Each item is weighted with a value to measure the importance of the item for the user. Weighted frequent itemset is used for the user-focus's construction. In order to mine weighted frequented itemset fast, an algorithm named as WeightedFP is presented. The experimental result shows that the implementation of personalization recommendation based on user-focus can lighten the user's burden caused by the work of filtering valid information from vast information in some degree while time requirement of TR is satisfied well.

关键词： information retrieval Itemsets Data mining Web search Search engines information filtering Computer science information filters Internet Web sites

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An object-oriented database-based architecture for mobile enterprise applications

An object-oriented database-based architecture for mobile en...

引用

international conference on information technology: coding and computing (itcc)

作者： R. Steele Y. Ventsov T. Dillon University of Technology Sydney Australia

Emerging wireless infrastructure such as WiFi and Bluetooth networks make possible mobile applications that allow employees to carry out business computing tasks while not at a fixed computer and while at varying locations. One particular mobile enterprise use-case involves a worker such as a consultant who is visiting multiple branches of the same enterprise or visiting multiple enterprises and who needs to access electronic business records at each of these locations. Business records can be large and have a complex structure making their access from a mobile device somewhat intractable given device and bandwidth limitations. In this paper we propose an object-oriented database-based architecture for mobile enterprise applications that uses the object-oriented schema of the data itself to auto-generate an interface for accessing business records incrementally on mobile devices. This architecture hence provides a way to access large business records from mobile devices by natively supporting incremental retrieval and accessing of the records.

关键词： Object oriented databases Relational databases Logic devices Computer architecture Application software Mobile computing Computer networks Displays Navigation Service oriented architecture

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Distributed omni-video arrays and digital tele-viewer for customized viewing, event detection and notification

Distributed omni-video arrays and digital tele-viewer for cu...

引用

international conference on information technology: coding and computing (itcc)

作者： M.M. Trivedi K.S. Huang Tarak Gandhi B. Hall K. Harlow Computer Vision and Robotics Research (CVRR) Laboratory University of California San Diego USA

Recent innovations in real-time machine vision, distributed computing, software architectures, and encrypted high-speed networking are expanding the available technology for intelligent camera arrays on televiewing and interactive applications. In this paper we describe research aimed at the realization of a powerful televiewing system using arrays of omnidirectional cameras. The video arrays provide an interactive, real-time, multiresolution televiewing interface to multiple people including physical security and emergency response crews simultaneously. Security measures such as authentication and network encryption are implemented on multiple platforms. Fusion of high-resolution rectilinear image over the omnidirectional image is also carried out. Computer vision techniques based on motion analysis are used for detecting interesting events. The televiewing system is verified for the performance as well as physically tested on the Super Bowl 2003 event for crowd detection and traffic monitoring.

关键词： Event detection Cryptography Cameras Power system security Technological innovation Machine vision Distributed computing Software architecture High-speed networks Intelligent networks

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High performance arithmetic for special hyperelliptic curve cryptosystems of genus two

High performance arithmetic for special hyperelliptic curve ...

引用

international conference on information technology: coding and computing (itcc)

作者： J. Pelzl T. Wollinger C. Paar Communication Security Group (COSY) Department of Electrical Engineering and Information Sciences Ruhr Universitat Bochum Germany

Regarding the overall speed and power consumption, cryptographic applications in embedded environments like PDAs or mobile communication devices can benefit from specially designed cryptosystems with fixed parameters. In this contribution, we propose a highly efficient algorithm/or a hyperelliptic curve cryptosystem (HECC) of genus two, well suited for these applications on constrained devices. This work presents a major improvement of HECC arithmetic for certain nonsupersingular curves defined over fields of characteristic two. We optimized the group doubling operation and managed to speed up the whole cryptosystem by approximately 27% compared to the previously known most efficient case. Furthermore, an actual implementation of the new formulae on an embedded processor shows its practical relevance. A scalar multiplication can be performed in approximately 50ms on an 80MHz embedded device.

关键词： Arithmetic Elliptic curve cryptography Mobile communication Elliptic curves Proposals Polynomials Galois fields information security Energy consumption Personal digital assistants

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Resampling based method for pixel-wise correspondence between 3D faces

Resampling based method for pixel-wise correspondence betwee...

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international conference on information technology: coding and computing (itcc)

作者： Chunliang Gu Baocai Yin Yongli Hu Shiquan Cheng Multimedia and Intelligent Software Technology Laboratory Beijing University of Technology Beijing China

ISBN: (纸本)0769521088

This paper presents a novel method for pixel-wise correspondence between 3D face images. The method is based on uniform gridded-resampling of different 3D faces and advances a particular even-partition procedure including uniform face segmentation and iso-curves initialization for correspondence. Pixel-wise correspondence between 3D face images is the basis of a 3D face model, which is capable of analyzing novel face images. Pixel-wise correspondence (which can also be called point-to-point correspondence) between 3D prototypes is currently based mainly on several algorithms derived from optical flow. Using a series of examples, our approach has shown its advantages and been proved to be promising for pixel-wise correspondence between 3D face images.

关键词： Facial animation Face detection Prototypes Topology Smart pixels Image segmentation Image analysis Image motion analysis Algorithm design and analysis Pipelines

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KIP: a keyphrase identification program with learning functions

KIP: a keyphrase identification program with learning functi...

引用

international conference on information technology: coding and computing (itcc)

作者： Y.B. Wu Q. Li R.S. Bot X. Chen Information Systems Department New Jersey Institute of Technology USA

We report a keyphrase identification program (KIP), which uses sample human keyphrases and then learns to identify additional new keyphrases. KIP first populates its database using manually identified keyphrases; each keyphrase is preprocessed and assigned an initial weight. It then extracts noun phrases from documents. All noun phrases will be assigned a score, depending on the weights for words it contains; the ones that have a score higher than the threshold will be selected as keyphrases. Learned new keyphrases will be inserted to the database and weights will be updated. As a result, new keyphrase identification iteration will be triggered. The process stops when no new keyphrases are identified during previous iteration. According to the results of evaluation, the base KIP system's average recall was 0.7 and precision was 0.44. The augmented KIP with learning functions did produce new keyphrases which were not identified by the base system.

关键词： Databases Text mining Humans Vocabulary Data mining Thesauri information systems Text analysis Natural language processing Indexing

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Auxiliar: a case-based system to assist online courses

Auxiliar: a case-based system to assist online courses

引用

international conference on information technology: coding and computing (itcc)

作者： D. Piva R.L. de Freitas M.S. Miskulin G.S. Nakamiti C.M. Tobar AEI-Itapetininga FEEC Unicamp Brazil PUC-Campinas Paulista State University (UNESP) Brazil FEEC Unicamp Brazil Paulista State University (UNESP) Brazil PUC-Campinas Brazil

This paper presents the REASONING, the third module of a computerized system (AUXILIAR), designed to help human-tutors redefine information for those students who have difficulties in grasping deployed educational topics. To this end, there is an intelligent mechanism that facilitates the assessment process and searches for similar cases produced by other students in past situations. This search enables the system to redefine the information content to be rendered to the student in order to eliminate deficiencies detected during a formative assessment without considerable intervention by the tutor. To reach these goals, concepts of artificial intelligence (case-based reasoning, more specifically) and man-machine interaction are exploited. Thereby, there are presented the format of a case, the structure of the case library, as well as the intelligent retrieval mechanism that was developed.

关键词： Artificial intelligence Education Educational technology Man machine systems Libraries Intelligent structures Internet Publishing Aggregates Feedback

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