Developing the ARQ Data Exchange Platform for UNODC
Explore the development process of the ARQ Data Exchange Platform (ARQ-DXP) for UNODC, focusing on questionnaire creation, data collection, and web-based mechanisms. The platform enhances data management efficiency, provides user-friendly interfaces, and facilitates communication during data collect
0 views • 14 slides
Strengthening Drug Statistics: ARQ Review Feedback and Key Areas for Improvement
This report highlights the strengths and challenges of the Annual Report Questionnaire (ARQ) discussed at an expert working group meeting in Vienna. It covers feedback from countries, response rates, challenges, areas for improvement, and emerging data needs, with a focus on enhancing drug data coll
0 views • 14 slides
Enhancing HARQ Framing for IEEE 802.11 Standards
Hybrid-ARQ (HARQ) is a candidate topic for TGbe presentations in IEEE 802.11 standards. Despite previous unsuccessful attempts, there is renewed interest in enabling HARQ through framing support. This document discusses the importance of presenting HARQ framing, outlining the necessary information a
1 views • 7 slides
Understanding ARQ Protocols in Communication Networks
This content delves into the world of Automatic Repeat reQuest (ARQ) protocols in communication networks, focusing on data link control layer, retransmission strategies, frame transmission models, and various ARQ schemes like Stop-and-Wait. It discusses the challenges faced in simple ARQ systems and
0 views • 36 slides
Exploring the Evolution of Data Communications: A Brief Overview
Delve into the progression of data communications from Morse code to modern radio email systems like Winlink. Discover the history of protocols, technologies, and the impact of the internet on amateur packet radio. Unravel the development of ARQ data protocols, X.25 packet switching, and the transit
0 views • 51 slides
Understanding Jena SPARQL for Mac and RDF Queries
Jena SPARQL for Mac is a powerful tool for querying RDF graphs using SPARQL. Learn about RDF graphs, models, triples, and how SPARQL queries work. Explore ARQ, a query engine that supports the SPARQL RDF Query language and features multiple query languages. Discover how to install ARQ and execute SP
0 views • 25 slides
Data Link Control and Protocols in Computer Networks
This chapter discusses various protocols for handling data link control in computer networks, focusing on noiseless and noisy channels. It covers protocols like Stop-and-Wait ARQ, Go-Back-N ARQ, and Selective Repeat ARQ, explaining how they ensure error-free transmission and flow control. The concep
0 views • 12 slides