Real-Time Notification for Resource Synchronization
Martin Klein, Robert Sanderson, Herbert Van de Sompel, Michael L., Nelson

TL;DR
This paper presents a novel approach combining push notifications and pull mechanisms to achieve low-latency, accurate resource synchronization in web applications, demonstrated through experiments with DBpedia Live.
Contribution
It introduces a new hybrid notification system designed to reduce synchronization latency while maintaining accuracy for web resource updates.
Findings
Reduced synchronization latency in experiments
Maintained high accuracy of resource updates
Effective in dynamic web environments
Abstract
Web applications frequently leverage resources made available by remote web servers. As resources are created, updated, deleted, or moved, these applications face challenges to remain in lockstep with the server's change dynamics. Several approaches exist to help meet this challenge for use cases where "good enough" synchronization is acceptable. But when strict resource coverage or low synchronization latency is required, commonly accepted Web-based solutions remain elusive. This paper details characteristics of an approach that aims at decreasing synchronization latency while maintaining desired levels of accuracy. The approach builds on pushing change notifications and pulling changed resources and it is explored with an experiment based on a DBpedia Live instance.
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Taxonomy
TopicsService-Oriented Architecture and Web Services · Business Process Modeling and Analysis · Distributed systems and fault tolerance
