Upload
marc-smith
View
102
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Figures and images from the book: _Analyzing social media networks with NodeXL: Insights from a connected world_
Citation preview
1Copyright © 2011, Elsevier Inc. All rights Reserved
Chapter 13
FlickrLinking People, Photos, and Tags
Analyzing Social Media Networks with NodeXLInsights from a Connected World
2
Eduarda Mendes Rodrigues is an Assistant Professor of Informatics Engineering at the University of Porto, Portugal. Her research interests lie in the broad areas of data mining and web information retrieval. In particular, her current research is focused on the interplay between social sciences and web technologies, aiming to develop effective data mining techniques for characterizing user behavior in online communities and improving information retrieval in social media. She holds a Ph.D. in Electronic & Electrical Engineering from University College London, UK.
As Principal Researcher at Microsoft Research Cambridge (MSRC), Natasa Milic-Frayling is setting research directions for Integrated Systems group (http://research.microsoft.com/is), a cross-disciplinary team focused on design, prototyping and evaluation of information and communication systems and services. She also serves as Director of Research Partnership with industry (http://research.microsoft.com/rpp), the MSRC programme that facilitates collaboration between MS Research and industry leading partners and clients. Natasa is actively involved with a wider industry and academic community, promoting research and innovation through public speaking and research engagements.
3Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.1C
hapter 13
Flickr enables web users to search and browse through public
collections of billions of digital photos (www.flickr.com/explore).
4Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.2C
hapter 13
The Flickr Explore page includes search over geo-tagged images and a
tag cloud for browsing photos based on their tags (www.flickr.com/explore).
5Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.3C
hapter 13
Flickr members search
6Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.4C
hapter 13
The Flickr photostream shows photos that the user has recently posted. On the right are sets of photos, sorted by recency.
7Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.5C
hapter 13
Top figure shows multiple sets of photos in Flickr. The middle figure shows individual images in the “2007 MSR Latin American Faculty Summit” set. The bottom image illustrates collections containing several sets.
8Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.6C
hapter 13
Flickr image containing seven tags and an extensive description. Nine people liked the photo and called it “Favorite.” The image was included in one gallery and received one comment.
9Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.7C
hapter 13
The user’s Flickr profile page shows the number of contacts (146) and group memberships (6).
10Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.8C
hapter 13
Networks arising from users’ participation and content contributions on Flickr. (a) Adding contacts. (b) Authoring and tagging photos. (c) Adding comments to photos. (d) Joining a group.
11Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.9C
hapter 13
Tagged photo of the Hotel Bellagio fountains in Las Vegas.
12Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.10C
hapter 13
NodeXL Data Import menu.
13Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.11C
hapter 13
NodeXL Import from the Flickr Related Tags Network window. Get all tags related with the “barcelona” tag, downloading a sample Flickr picture for each tag.
14Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.12C
hapter 13
NodeXL Import from the Flickr Related Tags Network window. Get all tags related with the “barcelona” tag, downloading a sample Flickr picture for each tag.
15Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.13C
hapter 13
NodeXL Import from Flickr User’s Network window. Get all the contacts of the user “marc_smith,” along with information about each user and the respective profile photo.
16Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.14C
hapter 13
Raw data in the NodeXL Edges worksheet after importing both user networks (contacts and comments). The Relationship column indicates the type of relationship between each pair of users.
17Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.15C
hapter 13
NodeXL Prepare Data and Graph Type drop-down menus.
18Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.16C
hapter 13
Raw NodeXL visualization of the Flickr related tags network for the “vegas” tag, which is shown selected selected in the center of the graph.
19Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.17C
hapter 13
Filtered NodeXL Flickr tag cloud network. Shows edges with weight > 1 and vertices with degree < 45. Vertex size is proportional to degree and color is proportional to betweenness centrality (min: gray; max: orange).
20Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.18C
hapter 13
Filtered NodeXL Flickr tag photo network. Shows edges with the weight 1 and vertices with the degree 45. Vertex size is proportional to degree and color is proportional to betweenness centrality (min: gray; max: orange).
21Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE MAPC
hapter 13
22Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.19C
hapter 13
Raw NodeXL visualization of the Flickr-related tags network for the “mouse” tag.
23Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.20C
hapter 13
NodeXL cluster visualization showing three Flickr tag clusters, each representing a different context for “mouse.”
24Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.21C
hapter 13
NodeXL display of isolated clusters for three different contexts for the “mouse” tag in Flickr: mouse animal, computer mouse, and the Mickey Mouse Disney character.
25Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.22C
hapter 13
Raw NodeXL visualization of the Flickr user’s comments
network for “Marc_Smith.”
26Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.23C
hapter 13
NodeXL Autofill Columns settings for (a) filtered comments network and (b) comments scatter graph.
27Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.24C
hapter 13
NodeXL network of Flickr users who comment on Marc_Smith’s photos (network depth 1.5; edge weight >= 4).
28Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.25C
hapter 13
NodeXL scatter graph of total Flickr comments to self (X axis) versus other users (Y axis), in a log-log scale. Vertex size is mapped to the total number of photos in the user’s Flickr photostream, and color is mapped to the total number of comments posted by the user.
29Copyright © 2011, Elsevier Inc. All rights Reserved
FIGURE 13.26C
hapter 13
Three examples of self-comments where the user adds context to the photo (top), responds to other users comments (middle), and thanks other users (bottom).