An Exploration of VGI In Use
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The document summarizes a study exploring how volunteers provide geographic information (VGI) that users find beneficial. The study aimed to: 1) identify where VGI is useful in users' activities; 2) understand how VGI differs from professional information; and 3) determine how VGI versus professional information affects activity outcomes. The researcher selected hill walkers, surfers, and kayakers as groups that rely on geographic data. Interviews examined which information sources and delivery methods groups use and find most reliable. Preliminary findings suggest currency, depth, and quality are most important to users searching for information.
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https://ldm-mia.creator-spring.comJune 2025 Progress Update With Board Call_In process.pptx
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June 25 ISSIP Event - slides in process
20250618 PPre-Event Presentation Summary - Progress Update with Board Series June 25
ISSIP Website Upcoming Events Description: https://issip.org/event/semi-annual-issip-progress-call/
Register here (even if you cannot attend live online, all who register will get link to recording and slides post-event): https://docs.google.com/forms/d/e/1FAIpQLSdThrop1rafOCo4PQkYiS2XApclJuMjYONEHRMGBsceRdcQqg/viewform
This pre-event presentation: /slideshow/june-2025-progress-update-with-board-call_in-process-pptx/280718770
This pre-event recording: https://youtu.be/Shjgd5o488o
---A Visual Introduction to the Prophet Jeremiah
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M.A. Sem - 2 | Presentation
Presentation Season - 2
Paper - 106: The Twentieth Century Literature: 1900 to World War II
Submitted Date: April 3, 2025
Paper Name: The Twentieth Century Literature: 1900 to World War II
Topic: Ambition and Corruption: A Comparative Analysis of The Great Gatsby and The Wolf of Wall Street
[Please copy the link and paste it into any web browser to access the content.]
Video Link: https://youtu.be/4mXmSVjTLt8
For a more in-depth discussion of this presentation, please visit the full blog post at the following link: https://rajdeepbavaliya2.blogspot.com/2025/04/ambition-and-corruption-a-comparative-analysis-of-the-great-gatsby-and-the-wolf-of-wall-street.html
Please visit this blog to explore additional presentations from this season:
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#AmericanDream #GreatGatsby #WolfOfWallStreet #AmbitionAndCorruption #LiteratureVsFilm #Fitzgerald #Scorsese #JayGatsby #JordanBelfort #DreamOrDownfall
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Ad
An Exploration of VGI In Use
- 1. An Exploration of VGI in Use Christopher J. Parker 3rd Workshop on Data Usability 10th November 2010
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- 4. Aims of Study 4 Highlight the different stages in the process life cycle of the users activities where information is utilised with benefit to the user. Understand what makes volunteered information different from professional information when used in a real world situation. Determine how using volunteered or professional information affects on the outcomes of activities it when it is used. Explore under what conditions volunteered information may provide unique opportunities to the user over and above that of professional information.
- 5. Selecting Group 5 Hill Walkers Surfers Kayakers Utilises geographic information as central to the activity Yes Yes Yes Use of dynamic information - Yes Yes Requires information not covered by traditional cartography - Yes Yes Use a wide variety of information sources Yes Yes Yes Cover a wide variety of experience levels and abilities Yes Yes Yes Good inter-community links and shares information with community (e.g. web forums) Yes Yes Yes Has the potential for VGI to enrich their activity above and beyond professional information Unknown Unknown Unknown Consists of a number of different activities rather than one phenomenon - - Yes Work in social groups rather than solo pursuit of activity Yes - Yes Easy access to groups, active activities within 50 miles of Loughborough - - Yes
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- 11. 11 http://www.waier.org.au/forums/2001/mccarthy.html Relevance: Depth Accuracy Clarity Currency Tangibility Quality of source Accessibility Availability Verification Affectiveness (Barry, Schamber 1998) Source Planning process Types of information Data usability Role in activities Role in outcome Dynamic/ static information
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- 13. How To Not Get Distracted By Interface 13 Asked about what sources and how they are used Mainly focused on how information makes a difference Delivery method of interest How are Volunteered delivery methods different to professional Trust is a relationship between provider and consumer Did not focus Axial coding on interface
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- 16. Currency, Depth & Scope and Quality of the information are the three most relevant factors when searching for information. 16
- 17. Data usability has a clear geographical element (i.e. both time and place are important). 17
- 18. The data needs, and the usefulness of data to individuals is dependent on the level of experience that the end users had with the kayaking application domain. 18
- 19. 19 (Preece et al., 2002)
- 20. Usable data often has a temporal aspect, such that the usefulness of data often decayed within a time window of opportunity. A good example of this is water levels affecting the paddleability of the river. 20 What maps and guidebooks dont give you is up to date information. Just because it was a good guide to the river five years ago doesnt mean its a good guide to the river now.
- 21. When questioned about professional and volunteered sources, participants tended to refer to sources they perceive as reliable and respectable as professional, despite their volunteer contribution base. 21
- 22. Future Research 22 Study 3 Ethnographic Research Exploratory to support discussion of Study 2 findings Discussion & Theory Generation Study 4 Testing Theory Disabled Travellers (?)
- 24. References 24 Barry, C.L. & Schamber, L. 1998, "Users' criteria for relevance evaluation: a cross-situational comparison", Information processing & management, vol. 34, no. 2- 3, pp. 219-236. Goodchild, M. F. (2007). Citizens as sensors: The world of volunteered geography. GeoJournal, 69(4), 211-221. Preece, J., Rogers, Y., & Sharpe, H. (2002). Interaction design: Beyond human-computer interaction. United States of America: John Wiley & Sons.
Editor's Notes
- #2: VGI - the creation of geographic information by largely untrained volunteers Past Research into VGI Usability Aims and objectives of studying VGI & PGI Methodology Results
- #3: How volunteered geographic information may be combined with professional geographic information to make applications of higher consumer usability According to Wordle, these are the key words of my thesis so far
- #4: Previous work had looked into the relationship between the stakeholders in VGI
- #5: Wanted to move on from understanding stakeholders and start to understand information in use. Particularly what volunteered information users over and above professional information
- #6: Criteria created Applications from OSs GeoVation scanned for potential communities
- #7: Kayakers were selected as a group which embodied the best of these properties
- #8: RESEARCH APPROACH Qualitative analysis Focus Group Efficient technique Natural responses Focused on important topics Enjoyable Cost effective Wide range of views
- #9: 32 participants Over 4 Clubs 9 Intermediate (1-4 years experience) 23 expert (5 years + experience) So the study had two parts
- #10: degree of ethnographic research was undertaken, kayaking with the groups at least once before the focus groups. To fully understand and relate to the findings from the study
- #11: 2) Ran focus groups in order to acquire a wide range of view points Main body of research for this study
- #12: Open Coding What is coming out of the data Grouping into Concepts Asking questions of data as previous slide Applying sub-categorisation of Relevance (Barry & Schamber 1998), not shaping open codes, seeing how they relate to Relevance theory
- #13: Provides a coding tree looking roughly like this
- #15: Now to run over some of the key findings from this study Focusing on Data Usability Paper in progress for GISRUK 2011 which will include a broader overview Outcomes Information in Use Information Sources Relation to planning process Relation to static and dynamic information
- #16: WHAT IS THIS GRAPH ABOUT! Focusing today on the Results for Data Usability and touch on the Planning Process the following slides show some basic outcomes from work This graph shall be used to highlight phenomenon You may notice TANGABILITY (definite, proven information is provided; hard data or actual numbers are provided) is missing from the responses of participants
- #18: Talking about information to participants, not exclusively geographic information Yet information wasnt about A weir, it was about THIS weir (VGLI Volunteered Geo-Located Information) Shown in the data
- #19: Experience is the filter for all information taken in by this study] We see this in our data, how trust of personal experience, and the experience of other trusted kayakers is prevalent over authoritative information
- #20: This is mirrored by the Hierarchical Task Analysis (HTA) developed from the study to highlight the Planning Process These are the processes requiring volunteered or professional information for decisions to be made Leaving
- #21: As focusing on usability, only a snap shot of the overall picture Considering highly negative Out of Date with highly positive Up to Date Easy to see how amateur volunteered and professional information compares One participant commented.....
- #22: Chart shows the number of responses made by participants when asked to comment on professional and volunteered information The major columns are as expected The minor columns are incorrect perceptions (thinking something professional is actually volunteered, e.g. Forums) Where people say volunteered when asked about professional sources are unauthoritive E.g. Online kayaking forums/ Internet Where people say professional when asked about volunteered sources are authoritative E.g. BCU Local Access Officer (LAO)
- #24: Discussion points - What do you think of VGLI