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Presentation at Open Data on the Web (ODW) 2013 [1], based on research carried out in the Linked2Media FP7 project [2]. [1] http://www.w3.org/2013/04/odw/ [2] http://www.linked2media.eu/
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Copyright 2011 Digital Enterprise Research Institute. All rights reserved.
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Utilising Linked Social Media Data for Tracking Public Policy and
Services Deirdre Lee, Adegboyega Ojo, Mohammad
Waqar
Open Data on the Web (ODW) 201324th April 2013 London, UK
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Influence
Justify
Evaluate
Relationship between OD and public policy & services?
Public Policy& Services
Open Data
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Influence
Justify
Evaluate
... and social media data?
Public Policy& Services
Open Data &
Social Media Data
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Industry use of social media
Image source: http://blog.anametrix.com/15-marketing-analytics-statistics-2012/
Social-media analytics to identify trends, track brands, predict sales, etc.
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Government use of social media
Dissemination of news, reporting on events, promotion of projects, some citizen engagement
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Utilise social media data in the policy making process
Extract relevant
data
Linked Data
Analysis Trends, opinions, ideas
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Challenges of accessing social-media data
A wide variety of data sources
Various APIs to access the data (if there is an API)
Unique constraints on how much data can be accessed, how often, etc.
Data returned in a variety of formats, e.g. JSON, XML, etc.
Privacy limitations
Social media data is noisy, informal, slang-filled, and thus, difficult to process
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Linked2Media Project
Theme: Research for SME associations
An open Linked Data platform for semantically interconnecting online, social media, leveraging the corporate brand and market sector reputation analysis and response optimisation services
http://www.linked2media.eu/
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Social Media Linked Data Space (SMLDS)
Triple Store
Monitoring-Activity Controller
Opinion Modelling and Extraction
Social Sharing and Visualization
SMLDSData Enrichment Services
(NER, Interlinking)
Social-media crawlers
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Limitations of social media APIs
Facebook Twitter Qype
Keyword Yes Yes Yes – “Need Pro Account in some cases”
Location No Yes Yes – By Country or Geo points
Language Yes- For posts only Yes Yes – For reviews only
Date Yes- until and since date
Yes – only until date
Yes - Date of Creation after/before
Results Size
Yes (no official limitation of the number of results per page) (up to 5000 results )
Yes – up to 10 pages and 100 results per page (1 page = 1 request)
Pagination – 10 Results/Page
Limitations No official limitation 150 requests per hour 200 Requests/Day
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
SMLDS Semantic Model
Short name Main area
SIOC Social media contents: Forums, Weblog, Wikis, Microblogs, etc.
schema.org Cross-domain including social media contents.
rNews News articles
rev Reviews and ratings
Marl Opinion and sentiment
FOAF People
Product ontology Products
Digital Enterprise Research Institute www.deri.ie
Enabling Networked Knowledge
Next Steps...
1. Integration of social media Linked Data with Open Data. (e.g. Kalampokis, PMOD 2012)
2. Utilisation of data to influence, justify and evaluate public policy and services. (Interdisciplinary approach required)
