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ACM Transactions on Internet Technology (TOIT), Volume 10 Issue 4, March 2011

Achieving Data Consistency by Contextualization in Web-Based Collaborative Applications
Haifeng Shen, Chengzheng Sun
Article No.: 13
DOI: 10.1145/1944339.1944340

Recent years have witnessed the emergence and rapid development of collaborative Web-based applications exemplified by Web-based office productivity applications. One major challenge in building these applications is maintaining data consistency...

Novelty and Diversity in Top-N Recommendation -- Analysis and Evaluation
Neil Hurley, Mi Zhang
Article No.: 14
DOI: 10.1145/1944339.1944341

For recommender systems that base their product rankings primarily on a measure of similarity between items and the user query, it can often happen that products on the recommendation list are highly similar to each other and lack diversity. In...

Properties and Evolution of Internet Traffic Networks from Anonymized Flow Data
Mark Meiss, Filippo Menczer, Alessandro Vespignani
Article No.: 15
DOI: 10.1145/1944339.1944342

Many projects have tried to analyze the structure and dynamics of application overlay networks on the Internet using packet analysis and network flow data. While such analysis is essential for a variety of network management and security tasks, it...

Load Balancing and Range Queries in P2P Systems Using P-Ring
Adina Crainiceanu, Prakash Linga, Ashwin Machanavajjhala, Johannes Gehrke, Jayavel Shanmugasundaram
Article No.: 16
DOI: 10.1145/1944339.1944343

In peer-to-peer (P2P) systems, computers from around the globe share data and can participate in distributed computation. P2P became famous, and infamous, due to file-sharing systems like Napster. However, the scalability and robustness of these...