Supporting Information
Total Page:16
File Type:pdf, Size:1020Kb
Supporting Information January 6, 2017 1 Data The European Media Monitor provides a list of all news sources. We limit our collection to all those pages reporting in English. The downloaded data from each page includes all posts made from 1 January 2010 to 31 December 2015, as well as all the likes and comments on those posts. The European Media Monitor list includes the country and region of each news source. Table 1: Dataset Breakdown. Pages 920 Posts 12,825,291 Likes 3,621,383,495 Comments 366,406,014 Users 376,320,713 Likers 360,303,021 Commenters 60,115,975 1 2 Attention Patterns Figure 1: Complementary Cumulative Distribution Functions (CCDFs) of the number of likes, comments and shares of the posts. Figure 2: Complementary Cumulative Distribution Functions of the posts life- time. The lifetime of a post is the time period between its first and its last comment. 2 Figure 3: Complementary Cumulative Distribution Functions of the number of likes and comments of the users. For the likes calculation, a sample of 51 million users was used (518 million likes). Figure 4: Complementary Cumulative Distribution Functions of the users life- time. The lifetime of a user is the time period between their first and their last comment. 3 3 Clusters and Users Polarization. 3.1 Communities Comparison Figure 5: Community Sizes Frequency. Sizes of the Fast Greedy communities p p of Gl on the left, and Gc on the right. p p Table 2: Comparison of the FG communities of Gl and Gc against other com- munity detection algorithms. WT ML LP p Gl -FC 0.7552564 0.9669315 0.8448607 p Gc -FC 0.7463154 0.9749981 0.6731904 p p Table 3: Comparison of the communities of Gl and Gc with different community detection algorithms. FG WT ML LP p p Gl - Gc 0.6230107 0.850695 0.6344089 0.614519 4 Users and News Outlets Perspectives. 4.1 Communities Comparison Table 4: Comparison of the FG communities of Np against other community detection algorithms. WT ML LP Np-FC 0.8602534 0.8912243 0.64668 4 p p p Table 5: Comparison of the communities of Gl and Gc against Np. Both Gl p and Gc have been reduce to the set of nodes present in Np. FG WT ML LP p Gl - Np 0.6765225 0.7331109 0.7120639 0.5040556 p Gc - Np 0.6932035 0.7804737 0.70506 0.5072296 p p Table 6: Comparison of the communities of Gl , Gc and Np against the country p p community of pages. Both Gl and Gc have been reduce to the set of nodes present in Np. FG WT ML LP p Gl - Country Communities 0.7109425 0.7778217 0.728625 0.6538038 p Gc - Country Communities 0.7293021 0.8377653 0.7217479 0.6137377 Np - Country Communities 0.8402855 0.8239431 0.8753403 0.5815359 5 List of Pages Name Website Facebook ID Country Region 1 24 Tanzania http://24tanzania.com/ 142633892541250 TZ AF 2 680 News http://www.680news.com/ 204410527704 US NA 3 7 Days UAE http://7days.ae/ 134378466585520 AE ME 4 7 News Belize http://www.7newsbelize.com/ 523592704341166 BZ NA 5 +972 Magazine http://972mag.com/ 148081438555256 IL ME 6 9 News Australia http://www.9news.com.au/ 107637365950776 AU OC 7 Australian Broadcast- http://www.abc.net.au/ 194764094549 AU OC ing Corporation 8 abc7NY http://7online.com/ 31160214090 US NA 9 ABC News http://abcnews.go.com/ 86680728811 US NA 10 ABS-CBN News http://www.abs-cbnnews.com/ 27254475167 PH AS 11 ABS TV/Radio http://abstvradio.com/ 558698930896002 AG CA 12 AFP News Agency http://www.afp.com/en 155857464452265 FR EU 13 Africa Intelligence http://www.africaintelligence.com/ 1600441596851782 FR EU 14 African Christian http://www.acdp.org.za/ 379138726819 ZA AF Democratic Party 15 African Brains http://africanbrains.net/ 137238649646766 ZA AF 16 African Business Mag- http://www.africanbusinessmagazine.com/ 114117578656259 GB EU azine 17 African Mining http://www.africanmining.com/ 413345415394061 ZA AF 5 Name Website Facebook ID Country Region 18 African Review http://www.africanreview.com/ 507239115959583 GB EU 19 Ahram Online http://english.ahram.org.eg/ 138561829527411 EG AF 20 Airforce Tecnology http://www.airforce-technology.com/ 376588539031515 GB EU 21 Air Transport World http://atwonline.com/ 98452961409 US NA 22 The Atlanta Journal- http://www.ajc.com/ 13310147298 US NA Constitution 23 AJW - Asia & Japan http://ajw.asahi.com/ 157466287640348 JP AS Watch 24 Al-Ahram Weekly http://weekly.ahram.org.eg/ 444452792278401 EG AF 25 Al Bawaba News http://www.albawaba.com/en 145270758819050 JO ME 26 Al Jazeera http://english.aljazeera.net/ 7382473689 QA ME 27 AllAfrica http://allafrica.com/ 98946450029 US NA 28 All Ghana News http://www.allghananews.com/ 110299945719263 GH AF 29 Almal News http://en.almalnews.com/ 275916392585253 EG AF 30 Al Manar http://www.almanar.com.lb/english 567297210065647 LB ME 31 AlterNet http://www.alternet.org/ 17108852506 US NA 32 Amandala Newspaper http://amandala.com.bz/ 100548070049565 BZ NA 33 Ambergris Today http://www.ambergristoday.com/ 150068098371942 BZ NA 34 Center for American https://www.americanprogress.org/ 6072343558 US NA Progress 35 Ammon News - English http://en.ammonnews.net/ 124114467624068 JO ME 36 Amnesty International https://www.amnesty.org/en 111658128847068 GB EU 37 Athens News Agency http://www.amna.gr/english 324281057673335 GR EU - Macedonian Press Agency 38 Anadolu Agency - En- http://www.aa.com.tr/en 1469323633339182 TR EU-C glish 39 An Garda Sochna http://www.garda.ie/ 167613868000 IE EU 40 The Anglo-Celt http://www.anglocelt.ie/ 125313887068 IE EU 41 Associated Press http://www.ap.org/ 249655421622 US NA 42 Arab Times http://www.arabtimesonline.com/ 185411171491289 KW ME 43 Oratert http://www.oratert.com/ 219526301441279 AM AS 44 Army Technology http://www.army-technology.com/ 273161589364941 US NA 45 ArtMatters.Info http://artmatters.info/ 156915596222 KE AF 46 Asbarez http://www.asbarez.com/ 30695878200 AM AS 47 Americas Society - http://www.as-coa.org/ 22309058308 US NA Council of the Ameri- cas 6 Name Website Facebook ID Country Region 48 Asharq Al-Awsat En- http://www.aawsat.net/ 135349813159197 LB ME glish Edition 49 Asia News Network http://www.asianewsnet.net/ 291155398585 TH AS 50 Asian Tribune http://www.asiantribune.com/ 85012674846 TH AS 51 Asia Times http://www.atimes.com/ 186423081422922 CN AS 52 Australia Network http://australianetworknews.com/ 1569497949997753 AU OC News 53 Aviation Week http://aviationweek.com/ 16067432199 US NA 54 Awate http://awate.com/ 211930818821450 ER AF 55 The Arizona Republic http://www.azcentral.com/ 50978409031 US NA 56 AzerNews http://www.azernews.az/ 138411436293144 AZ AS 57 Azo Mining http://www.azomining.com/ 195005930530874 GB EU 58 B92 English http://www.b92.net/eng 294076883992251 RS EU-O 59 Bakhtar News Agency http://www.bakhtarnews.com.af/eng 128677440577060 AF ME 60 Balkan Insight http://www.balkaninsight.com/en 97956845505 GB EU 61 The Baltimora sun http://www.baltimoresun.com/ 9299179711 US NA 62 Bangkok Post http://www.bangkokpost.com/ 133643127712 TH AS 63 Banknet India http://www.banknetindia.com/ 156945944397481 IN AS 64 Barents Observer http://www.barentsobserver.com/ 196717396635 NO EU-O 65 Barron's http://www.barrons.com/ 64579042740 US NA 66 BBC iPlayer Radio http://www.bbc.co.uk/radio/ 1470145583204829 GB EU 67 BBC News http://www.bbc.com/news/ 228735667216 GB EU 68 Beat 102-103 http://www.beat102103.com/ 117022648342887 IE EU 69 BelTA - Belarusian http://eng.belta.by/ 159485357443987 BY EU-O Telegraph Agency 70 News Letter http://www.newsletter.co.uk/ 117370764948881 GB EU 71 Belfast Telegraph http://www.belfasttelegraph.co.uk/ 237692023818 GB EU 72 The Bermuda Sun http://www.bermudasun.org/ 12844875188 BM NA 73 BetaNews http://betanews.com/ 167777169963870 US NA 74 Better Diamond Initia- http://betterdiamondinitiative.org/ 474528435937430 US NA tive 75 BioFuels Journal http://www.biofuelsjournal.com/ 785884781480346 US NA 76 Beijing Review http://www.bjreview.com.cn/ 164344500263690 CN AS 77 Bloomberg News http://www.bloomberg.com/ 266790296879 US NA 78 Bahrain News Agency http://www.bna.bh/portal/en 155290664516690 BH ME 79 BNO News http://bnonews.com/news 60109657413 US NA 7 Name Website Facebook ID Country Region 80 Boston http://www.boston.com/ 6879409364 US NA 81 Boston Haitian Re- http://www.bostonhaitian.com/ 132342263485363 HT CA porter 82 Boston Herald http://bostonherald.com/ 197211981599 US NA 83 Botswana Guardian http://www.botswanaguardian.co.bw/ 261592817198239 BW AF 84 Breaking News http://www.breakingnews.ie/ 120689931275023 IE EU 85 The Argus http://www.theargus.co.uk/ 57197526698 GB EU 86 Brisbane Times http://www.brisbanetimes.com.au/ 95683517460 AU OC 87 The Brookings Institu- http://www.brookings.edu/ 137459917707 CO SA tion 88 The Broad Street Jour- http://www.broadstreetjournalbarbados.com/ 306701519754 BB CA nal 89 Budapest Business http://www.bbj.hu/ 162210567199344 HU EU Journal 90 The Budapest Times http://budapesttimes.hu/ 473754729371730 HU EU 91 Buenos Aires Herald http://www.buenosairesherald.com/ 333788759997981 AR SA 92 Bulatlat http://www.bulatlat.com/ 63467907915 PH AS 93 Bulawayo 24 News http://www.bulawayo24.com/ 128990327163597 ZW AF 94 Bulgarian Telegraph http://bta.bg/en 649620041801768 BG EU Agency 95 Business Daily Africa http://www.businessdailyafrica.com/ 111397575568693 KE AF 96 Business Day Live http://www.businessday.co.za/ 286638794693284 ZA AF 97 Business & Human http://business-humanrights.org/en 10510773883 IE EU Rights Resource Cen- tre 98 Business Wire http://www.businesswire.com/ 82442677571 US NA 99 BusinessWorld Online http://www.bworldonline.com/ 115158345163134 PH AS 100 Republic of Botswana http://www.gov.bw/ 148228411926492