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## Books ####
#' One-mode undirected network of co-purchased books about US politics on Amazon
#'
#' @description
#' This network consists of books about US politics sold by Amazon.com.
#' Ties represent books that are often purchased together,
#' as revealed by Amazon's 'customers who bought this book also bought these other
#' books' section on those books' pages on the website.
#'
#' Information about the book's leaning "Liberal", "Neutral", or "Conservative"
#' were added separately by Mark Newman based on the abstracts, descriptions,
#' and reviews posted on Amazon.
#'
#' These data should be cited as V. Krebs, unpublished, http://www.orgnet.com/.
#'
#' @docType data
#' @keywords datasets
#' @name irps_books
#' @author Valdis Krebs, Mark Newman
#' @usage data(irps_books)
#' @format
#' ```{r, echo = FALSE}
#' irps_books
#' ```
"irps_books"
## Blogs ####
#' One-mode directed network of links between US political blogs (Adamic and Glance 2005)
#'
#' @description
#' This network consists of the blogosphere around the time of the 2004
#' US presidential election until February 2005.
#' The 2004 election was the first in which blogging played a significant role.
#' Ties were constructed from a crawl of the front page of each blog.
#'
#' Political leaning is indicated as "Liberal" (or left leaning) or
#' "Conservative" (or right leaning), sourced from blog directories.
#' Some blogs were labelled manually,
#' based on incoming and outgoing links and posts.
#' @docType data
#' @keywords datasets
#' @name irps_blogs
#' @references
#' Adamic, Lada, and Natalie Glance. 2005.
#' "The political blogosphere and the 2004 US Election: Divided they blog".
#' _LinkKDD '05: Proceedings of the 3rd international workshop on Link discovery_, 36-43.
#' \doi{10.1145/1134271.1134277}
#' @usage data(irps_blogs)
#' @format
#' ```{r, echo = FALSE}
#' irps_blogs
#' ```
"irps_blogs"
## WWI ####
#' One-mode signed network of relationships between European major powers (Antal et al. 2006)
#'
#' @description
#' This network records the evolution of the major relationship changes
#' between the protagonists of World War I (WWI) from 1872 to 1907.
#' It is incomplete both in terms of (eventual) parties to the war as well
#' as some other relations, but gives a good overview of the main alliances
#' and enmities.
#'
#' The data series begins with the Three Emperors' League (1872, revived in 1881)
#' between Germany, Austria-Hungary, and Russia.
#' The Triple Alliance in 1882 joined Germany, Austria-Hungary, and Italy into
#' a bloc that lasted until WWI.
#' A bilateral alliance between Germany and Russia lapsed in 1890,
#' and a French-Russian alliance developed between 1891-1894.
#' The Entente Cordiale thawed and then fostered relations between Great Britain
#' and France in 1904, and a British-Russian agreement in 1907 bound
#' Great Britain, France, and Russia into the Triple Entente.
#' @docType data
#' @keywords datasets
#' @name irps_wwi
#' @references
#' Antal, Tibor, Pavel Krapivsky, and Sidney Redner. 2006.
#' "Social balance on networks: The dynamics of friendship and enmity".
#' _Physica D_ 224: 130-136.
#' \doi{10.1016/j.physd.2006.09.028}
#' @usage data(irps_wwi)
#' @format
#' ```{r, echo = FALSE}
#' irps_wwi
#' ```
"irps_wwi"
## Hijackers ####
#' One-mode multiplex network of relationships between 9/11 hijackers (Krebs 2002)
#'
#' @description
#' This network records two different types of relationships between and
#' surrounding the hijackers of four planes in the United States
#' on September 11, 2001, culminating in those planes crashing into four
#' locations: New York's World Trade Center (North and South buildings),
#' as well as the Pentagon and a location in Somerset County, Pennsylvania.
#'
#' The hijackers were members of al-Qaeda.
#' Valdis Krebs collected further information from newspapers on the
#' broader network of associates of these hijackers,
#' reflecting on the challenges of collecting this information even
#' after the fact.
#'
#' The data includes two types of ties:
#' "trust"ed prior contacts among the hijackers,
#' and "association" ties among the hijackers but also their broader associates.
#' All associates are named, along with a logical vector about whether they
#' were a hijacker or not, and if so which their (eventual) target was.
#' @docType data
#' @keywords datasets
#' @name irps_911
#' @references
#' Krebs, Valdis. 2002.
#' "Mapping networks of terrorist cells".
#' _Connections_ 24(3): 43-52.
#' @usage data(irps_911)
#' @format
#' ```{r, echo = FALSE}
#' irps_911
#' ```
"irps_911"
## US States ####
#' One-mode undirected network of US state contiguity (Meghanathan 2017)
#'
#' @description
#' This network is of contiguity between US states.
#' States that share a border are connected by a tie in the network.
#' The data is a network of 107 ties among 50 US states (nodes).
#' States are named by their two-letter ISO-3166 code.
#' This data includes also the names of the capitol cities of each state,
#' which are listed in the node attribute 'capitol'.
#' @docType data
#' @keywords datasets
#' @name irps_usgeo
#' @usage data(irps_usgeo)
#' @references
#' Meghanathan, Natarajan. 2017.
#' "Complex network analysis of the contiguous United States graph."
#' _Computer and Information Science_, 10(1): 54-76.
#' \doi{10.5539/cis.v10n1p54}
#' @format
#' ```{r, echo = FALSE}
#' irps_usgeo
#' ```
"irps_usgeo"
## Revere ####
#' Two-mode network of Paul Revere's (Fischer 1995)
#'
#' @description
#' This network is of Paul Revere and 253 of his contemporary's overlapping
#' memberships in seven colonial organisations.
#' The data has been collected by Kieran Healy from the appendix to
#' David Hackett Fischer's "Paul Revere's Ride".
#' It highlights Paul Revere's centrality in this network, and thus his
#' ability to mobilise the towns he rode through on horseback north
#' from Boston on the night of April 18, 1775.
#' This is in contrast to William Dawes, who set out the same night,
#' but south.
#' Despite both men coming from similar class and backgrounds,
#' and riding through towns with similar demography and political leanings,
#' only Paul Revere was able to mobilise those he encountered,
#' and his social network was thought key to this.
#' @docType data
#' @keywords datasets
#' @name irps_revere
#' @usage data(irps_revere)
#' @references
#' Fischer, David Hackett. 1995.
#' "Paul Revere's Ride".
#' Oxford: Oxford University Press.
#'
#' Han, Shin-Kap. 2009.
#' "The Other Ride of Paul Revere: The Brokerage Role in the Making of the American Revolution".
#' _Mobilization: An International Quarterly_, 14(2): 143-162.
#' \doi{10.17813/maiq.14.2.g360870167085210}
#'
#' Healy, Kieran. 2013.
#' "Using Metadata to find Paul Revere".
#' @format
#' ```{r, echo = FALSE}
#' irps_revere
#' ```
"irps_revere"
## Nuclear Discourse ####
#' Two-mode dynamic discourse network of Germany's nuclear energy phase-out (Haunss and Hollway 2023)
#'
#' @description
#' Following the 11 March 2011 Fukushima nuclear disaster in Japan,
#' there was a vigorous public debate in Germany about the future of nuclear energy.
#' This network captures the discourse established by 337 actors,
#' including individual politicians, experts, parties, and the media,
#' and their claims about nuclear energy and German nuclear energy policy.
#' These claims were with respect to 54 concepts coded,
#' and could be supportive or critical, and could also be repeated.
#' @docType data
#' @keywords datasets
#' @name irps_nuclear
#' @usage data(irps_nuclear)
#' @references
#' Haunss Sebastian, James Hollway. 2023.
#' "Multimodal mechanisms of political discourse dynamics and the case of Germany’s nuclear energy phase-out".
#' _Network Science_, 11(2):205-223.
#' \doi{10.1017/nws.2022.31}
#' @format
#' ```{r, echo = FALSE}
#' irps_nuclear
#' ```
"irps_nuclear"
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