From Crowd to Cloud: Apply Named Data Networking Principles to - PowerPoint PPT Presentation

From Crowd to Cloud: Apply Named Data Networking Principles to Manage Air Sensor Data Yifang Zhu, UCLA School of Public Health Alex Afanasyev & Lixia Zhang, UCLA Computer Science 1

New opportunities ♢ Technology advances in low-cost and portable sensors ♢ An increasing number of communities and individuals engaging in collecting and sharing sensor data Crowdsensing by citizen scientists 2

New problems As of today: (manual) data uploading into the cloud ♢ Data discovery ¡ Data commonly named by ad hoc local conventions, incompatible data naming schemes ♢ Data provenance and authenticity ¡ Not associated with data itself ♢ Data quality ¡ Many different Sensor types ¡ Untrained collector community 3

The Need Developing user-friendly tools to engage researchers, communities, and citizen scientists to make such data “Findable, Accessible, Interoperable, and Reusable (FAIR)”. 4

Proposed Solutions ♢ Establishing systematic naming conventions for sensing data ¡ Time, location ¡ Sensor type ¡ Sampling condition ¡ User community ♢ Securing data directly ♢ Rendezvousing collection and usage via standard data naming assisted by ¡ Use of metadata ¡ catalog lookup 5

https://air-data.net/discover? Air-Data.net Cloud q=/Air/US/CA &type=CO2&year=2016&…. https://air-data.net/upload? https://air-data.net/ /Air/US/CA/Dylos/PM /Air/US/CA/Dylos/PM /AQMD/historical /AQMD/historical Catalog Storage /2016-01-01T19:14:01 /2016-01-01T19:14:01 Upload data Discover available data Name, assign metadata, Download and authenticate data and sign data Heu Heu Heu Heu Heu Heu Data capture Data analysis Citizen scientists crowd Citizen scientists crowd 7

https://air-data.net/discover? Air-Data.net Cloud q=/Air/US/CA &type=CO2&year=2016&…. https://air-data.net/upload? https://air-data.net/ /Air/US/CA/Dylos/PM /Air/US/CA/Dylos/PM /AQMD/historical /AQMD/historical Catalog Storage /2016-01-01T19:14:01 /2016-01-01T19:14:01 Upload data Discover available data Name, assign metadata, Download and authenticate data and sign data Heu Heu Heu Heu Heu Heu Data capture Data analysis Citizen scientists crowd Citizen scientists crowd 8

A quick starting point ♢ Use existing networking stack ♢ Data byte piling à Web-based pub/sub 9

Challenges ♢ Naming / naming conventions ¡ What goes to names / metadata ¡ Working with domain experts to develop ♢ Identity management ♢ Usable security Tasks ♢ Data naming toolkit for user devices ♢ Web app development 10

Future steps: moving “named data” down the protocol stack ♢ NDN into user devices ♢ Distributed storage/rendezvous ¡ Networking: naming data makes network transparent ¡ Transport: requires distributed dataset synchronization 11

Take Away ♢ Data generation by community at large, at unprecedented scale ¡ a paradigm shifting into future environmental health research ♢ Establishing systematic naming convention: a critical step towards data intensive applications ♢ Making security an integral ingredient into data 12

From Crowd to Cloud: Apply Named Data Networking Principles to - PowerPoint PPT Presentation

From Crowd to Cloud: Apply Named Data Networking Principles to Manage Air Sensor Data Yifang Zhu, UCLA School of Public Health Alex Afanasyev & Lixia Zhang, UCLA Computer Science 1 New opportunities Technology advances in low-cost and

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