Grouping Technique for Cooperative Spectrum Sensing in Cognitive Radios




Rizwan Akhtar, Adnan Rashdi and Abdul Ghafoor
Electrical Engineering Department, College of Signals, National University of Science & Technology, Pakistan


Abstract—

Cognitive networks can potentially solve the
problems of spectrum scarcity by accommodating unlicensed
(secondary) users in under-utilized segments of the spectrum.
Spectrum sensing serves as the primary stimulus for a cognitive
radio an ....etc

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GHIC: A Hierarchical Pattern-based Clustering Algorithm for Grouping Web Transactions
IEEE Transactions on Knowledge and Data Engineering, Vol. 17, No. 9, Language: Java

Abstract: Grouping customer transactions into segments may help understand customers better. The marketing literature has concentrated on identifying important segmentation variables (e.g., customer loyalty) and on using cluster analysis and mixture models for segmentation. The data mining literature has provided various clustering algorithms for segmentation without focusi ....etc

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Clustering and Sequential Pattern Mining of Online Collaborative Learning Data



Abstract:
Group work is widespread in education. The growing use of online tools supporting group work generates huge amounts of data. We aim to exploit this data to support mirroring: presenting useful high-level views of information about the group, together with desired patterns characterizing the behavior of strong groups. The goal is to enable the groups and their facilitators to see relevan ....etc

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Hierarchical Pattern-Based Clustering for Grouping Web Transactions



Abstract:
Grouping customer transactions into segments is important in order to obtain better understanding of customers’ pattern. Currently, the hierarchical pattern-based clustering has been used to group customer transactions into segments. However, the processing time is still high due to difference parameter used between two clusters. In this paper, the difference will be based on the dif ....etc

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1. A Distributed Cycle Minimization Protocol for Peer-to-Peer Networks
2. Continuous Delivery Message Dissemination Problems under the Multicasting Communication Mode
3. Deployment Strategy and Performance Evaluation Of the IPV6 Home Network Using Home Server
4. An SSL Back-End Forwarding Scheme In Cluster Based Web Servers
5. Efficient Approximate Query Processing In Peer-To-Peer Networks.
6. PFUSION: A P2P Architecture for Internet Scale Content Based Search and Retrieval ....etc

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Abstract
Optical camouflage is a hypothetical type of active camouflage system. Optical Camouflage uses the Retro-reflective Projection Technology; a projection based augmented system, composed of a projector with a small iris and a retro reflective screen. The concept of optical camouflage is straightforward: to create the illusion of invisibility by covering an object with something that projects the scene directly behind that object. This system was conceived with the primary view in mind of concealing stationa ....etc

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1. A Web Usage Mining Framework for Evolving User Profiles in Dynamic Web Sites
2. Watermarking Relational Databases Using Optimization-Based Techniques
3. DRYADEPARENT, An Efficient and Robust Closed Attribute Tree Mining Algorithm
4. Long-Term Cross-Session Relevance Feedback Using Virtual Features
5. Quiver: Consistent Object Sharing for Edge Services
6. Semantic Ideation Learning for Agent Based E-Brainstorming
7. A Cost-Based Approach To Adaptive Resource Management In Data Stream Systems
8. Rough sets-based search engine for grid s ....etc

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