Netzschleuder

stanford_web: Webgraph (Stanford)

The web graph of Stanford University (stanford.edu), as collected in 2002. Nodes represent pages and directed edges represent hyperlinks between them.

This network has 281904 nodes and 2312497 edges.

Tags: Informational, Web graph, Unweighted

https://networks.skewed.de/net/stanford_web

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macaque_neural: Macaque cortical connectivity (Young)

A network of cortical regions in the Macaque cortex.

This network has 47 nodes and 505 edges.

Tags: Biological, Connectome, Unweighted

https://networks.skewed.de/net/macaque_neural

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windsurfers: Windsurfers network (1986)

A network of interpersonal contacts among windsurfers in southern California during the Fall of 1986. The edge weights indicate the perception of social affiliations majored by the tasks in which each individual was asked​ to sort cards with other surfer’s name in the order of closeness.

This network has 43 nodes and 336 edges.

Tags: Social, Offline, Weighted

https://networks.skewed.de/net/windsurfers

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marker_cafe: The Marker Cafe (2011)

Snapshot of connections among users of the Israeli social network Marker Cafe, collected in 2011. Nodes are users and a directed edge (i,j) represents user i added user j to i's circle.

This network has 69413 nodes and 1644849 edges.

Tags: Social, Online, Unweighted

https://networks.skewed.de/net/marker_cafe

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email_eu: Email network (EU research inst.)

An email network (anonymized) from a large European research institution, collected from October 2003 to May 2005 (18 months). Each node corresponds to an email address, and a directed edge exists between nodes i and j, if i sent at least one message to j.

This network has 265214 nodes and 420045 edges.

Tags: Social, Communication, Unweighted

https://networks.skewed.de/net/email_eu

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ego_social: Ego networks in social media (2012)

Ego networks associated with a set of accounts of three social media platforms (Facebook, Google+, and Twitter). Datasets include node features (profile metadata), circles, and ego networks, and were crawled from public sources in 2012.

This network has 3100 nodes and 288769 edges.

Tags: Social, Online, Unweighted, Metadata

https://networks.skewed.de/net/ego_social#gplus_103537112468125883734

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moreno_sociograms: Moreno's sociograms (1934)

Relationships between pupils in a classroom. A directed edge exists if the source wants to sit next to the target. Each child can only choose two others.

This network has 43 nodes and 80 edges.

Tags: Social, Offline, Weighted

https://networks.skewed.de/net/moreno_sociograms#grade_6

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email_company: Manufacturing company email (2010)

A network of emails among employee email addresses at a mid-sized manufacturing company. Each directed edge represents an email sent from address i to address j. Edges are timestamped, and occurred over a 6 month period in an unspecified year.

This network has 167 nodes and 82927 edges.

Tags: Social, Communication, Unweighted, Multigraph, Timestamps

https://networks.skewed.de/net/email_company

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foursquare: Foursquare NYC restaurants (2012)

Two bipartite networks of users and restaurant locations in New York City on Foursquare, from 24 October 2011 to 20 February 2012. In one network, an edge denotes a check-in event of a user at a restaurant. In the other, an edge exists if a user left a tip/comment on a restaurant. Metadata include comments.

This network has 4936 nodes and 27149 edges.

Tags: Social, Online, Unweighted, Metadata

https://networks.skewed.de/net/foursquare#NYC_restaurant_checkin

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fly_hemibrain: Fly hemibrain (2020)

A synaptic map of the hemibrain connectome of fruit fly Drosophila melanogaster. Nodes are neurons, and edges are synaptic connections, traced individually from brain image sections using EM reconstruction techniques. Neurons are labeled by their type. Edges are annotated by the connection strength between the neurons.

This network has 21739 nodes and 4259624 edges.

Tags: Biological, Connectome, Weighted, Metadata

https://networks.skewed.de/net/fly_hemibrain

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lkml_thread: Linux kernel mailing list

A bipartite network of contributions by users to threads on the Linux kernel mailing list. A left node is a person, and a right node is a thread, and each timestamped edge (i,j,t) denotes that user i contributed to thread j at time t. The date of the snapshot is not given.

This network has 379554 nodes and 1565683 edges.

Tags: Social, Communication, Unweighted, Timestamps

https://networks.skewed.de/net/lkml_thread

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foursquare_friendships: Foursquare global friendships (2013)

A network of user friendships on Foursquare, from April 2012 to September 2013. The 'old' and 'new' dataset correspond to two snapshots taken before and after the check-in data collection period.

This network has 114324 nodes and 607333 edges.

Tags: Social, Online, Unweighted

https://networks.skewed.de/net/foursquare_friendships#new

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chess: Kaggle chess players (2010)

A network among chess players (nodes) giving the chess match outcomes (edges), for game-by-game results among the world’s top chess players. The direction of edge (i,j) denotes white player (i) and black player (j). Each edge is timestamped (approximate). Edge sign is +1 for a win by white, 0 for draw, and -1 for a win by black.

This network has 7301 nodes and 65053 edges.

Tags: Social, Offline, Signed, Timestamps

https://networks.skewed.de/net/chess

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contiguous_usa: Contiguous states (USA)

A network of contiguous states in the USA, in which each state is a node and two nodes are connected if they share a land-based geographic border. The dataset includes the lower 48 states, and the District of Columbia.

This network has 49 nodes and 107 edges.

Tags: Transportation, Roads, Unweighted

https://networks.skewed.de/net/contiguous_usa

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celegans_2019: Complete C. elegans neurons (2019)

Networks among neurons of both the adult male and adult hermaphrodite worms C. elegans, constructed from electron microscopy series, to include directed edges (chemical) and undirected (gap junction), and spanning including nodes for muscle and non-muscle end organs.

This network has 585 nodes and 1755 edges.

Tags: Biological, Connectome, Weighted

https://networks.skewed.de/net/celegans_2019#male_gap_junction

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fullerene_structures: Fullerene molecular structures

Fifteen networks of carbon atoms and the atomic bonds that connect them within molecules of fullerenes, from 60 atoms up to 6000 atoms. A bond is defined to exist whenever the distance of two atoms is less than 1.5 angstrom.

This network has 180 nodes and 270 edges.

Tags: Biological, Chemical, Unweighted, Spatial

https://networks.skewed.de/net/fullerene_structures#C180

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7th_graders: Vickers 7th Graders (1981)

A small multiplex network of friendships among 29 seventh grade students in Victoria, Australia. Students nominated classmates for three different activities (who do you get on with in the class, who are your best friends, and who would you prefer to work with). Edge direction for each of these three types of edges indicates if node i nominated node j, and the edge weight gives the frequency of this nomination. Students 1-12 are boys and 13-29 are girls. The KONECT version of this network is the collapse of de Domenico's multiplex version.

This network has 29 nodes and 740 edges.

Tags: Social, Offline, Multilayer, Unweighted, Metadata

https://networks.skewed.de/net/7th_graders

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roadnet: U.S. roads (CA, PA, TX)

Road networks from three US states (CA, PA, TX), in which edges are stretches of road and vertices are intersections of roads.

This network has 1393383 nodes and 3843320 edges.

Tags: Transportation, Roads, Unweighted

https://networks.skewed.de/net/roadnet#TX

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faa_routes: FAA Preferred Routes (2010)

A network of air traffic routes, from the FAA (Federal Aviation Administration) National Flight Data Center (NFDC) preferred routes database (www.fly.faa.gov). Date of extraction is prior to 2010. Nodes represent airports or service centers, and a directed edge is the preferred route between airport i and airport j.

This network has 1226 nodes and 2615 edges.

Tags: Transportation, Airport, Unweighted

https://networks.skewed.de/net/faa_routes

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jung: JUNG and javax class dependencies (2012)

A network of software class dependency within the JUNG 2.0.1 and javax 1.6.0.7 library namespaces edu.uci.ics.jung and java/javax. Nodes represent classes and a directed edge indicates a dependency of one class on another.

This network has 6120 nodes and 138706 edges.

Tags: Technological, Software, Unweighted

https://networks.skewed.de/net/jung

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hens: White Leghorn hens (1946)

Dominance interactions (pecking) among a group of White Leghorn hens, observed in 1946. Edge weights represent the frequency of interaction. The two versions below are equivalent.

This network has 32 nodes and 496 edges.

Tags: Social, Animal, Weighted

https://networks.skewed.de/net/hens

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foursquare: Foursquare NYC restaurants (2012)

Two bipartite networks of users and restaurant locations in New York City on Foursquare, from 24 October 2011 to 20 February 2012. In one network, an edge denotes a check-in event of a user at a restaurant. In the other, an edge exists if a user left a tip/comment on a restaurant. Metadata include comments.

This network has 4936 nodes and 27149 edges.

Tags: Social, Online, Unweighted, Metadata

https://networks.skewed.de/net/foursquare#NYC_restaurant_checkin

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collins_yeast: Collins yeast interactome (2007)

Network of protein-protein interactions in Saccharomyces cerevisiae (budding yeast), measured by co-complex associations identified by high-throughput affinity purification and mass spectrometry (AP/MS).

This network has 1622 nodes and 9070 edges.

Tags: Biological, Protein interactions, Unweighted

https://networks.skewed.de/net/collins_yeast

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word_adjacency: Word Adjacency Networks

Directed Networks of word adjacency in texts of several languages including English, French, Spanish and Japanese.

This network has 11586 nodes and 45129 edges.

Tags: Informational, Language, Unweighted

https://networks.skewed.de/net/word_adjacency#spanish

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us_air_traffic: U.S. air traffic

Yearly snapshots of flights among all commercial airports in the United States from 1990 to today. Metadata include passengers, distance, carrier, airport located city, state, and month of the flight.

This network has 2278 nodes and 6390340 edges.

Tags: Transportation, Airport, Unweighted, Metadata, Temporal

https://networks.skewed.de/net/us_air_traffic

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florentine_families: Padgett Florentine families

Multiplex network with 2 edge types representing marriage alliances and business relationships between Florentine families during the Italian Renaissance. Data hosted by Manlio De Domenico.

This network has 16 nodes and 35 edges.

Tags: Social, Relationships, Multilayer, Unweighted

https://networks.skewed.de/net/florentine_families

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moreno_sociograms: Moreno's sociograms (1934)

Relationships between pupils in a classroom. A directed edge exists if the source wants to sit next to the target. Each child can only choose two others.

This network has 35 nodes and 67 edges.

Tags: Social, Offline, Weighted

https://networks.skewed.de/net/moreno_sociograms#grade_1

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moreno_taro: Papuan gift-giving (1970)

A network of gift-giving relationships (taro exchange) among households in a Papuan village. Data collected by survey c.1970.

This network has 22 nodes and 78 edges.

Tags: Social, Offline, Unweighted

https://networks.skewed.de/net/moreno_taro

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us_congress: US Congressional co-sponsorship (1973-2016)

Two temporal networks of bill co-sponsorship tendencies among US Congresspeople, from 1973 (93rd Congress) to 2016 (114th Congress). Edges are signed, indicating the presence of a significant tendency to co-sponsor, or tendency to not co-sponsor, bills. Two networks per year, one for each chamber (House, Senate). Each file contains the signed network for a chamber of congress (H = House, S = Senate) in one session (e.g. 93 = 93rd session of congress).

This network has 444 nodes and 66277 edges.

Tags: Social, Political, Signed, Temporal

https://networks.skewed.de/net/us_congress#H108

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ego_social: Ego networks in social media (2012)

Ego networks associated with a set of accounts of three social media platforms (Facebook, Google+, and Twitter). Datasets include node features (profile metadata), circles, and ego networks, and were crawled from public sources in 2012.

This network has 3508 nodes and 253930 edges.

Tags: Social, Online, Unweighted, Metadata

https://networks.skewed.de/net/ego_social#gplus_111058843129764709244

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facebook_wall: Facebook wall posts (2009)

Friendship relationships and interactions (wall posts) for a subset of the Facebook social network in 2009, recorded over a 2 year period. Edge directed edge represents a post by one user on another user's FB wall.

This network has 46952 nodes and 876993 edges.

Tags: Social, Online, Temporal, Multigraph

https://networks.skewed.de/net/facebook_wall

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bitcoin_trust: Bitcoin OTC trust network (2017)

A network of who-trusts-whom relationships among users of the Bitcoin OTC platform. Each directed edge (i,j,w) represents the rating of user j by user i, in which i assigns j a weight w on a scale of -10 (total distrust) to +10 (total trust) in steps of 1.

This network has 5881 nodes and 35592 edges.

Tags: Social, Online, Weighted, Signed, Timestamps

https://networks.skewed.de/net/bitcoin_trust

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sp_infectious: Art exhibit dynamic contacts (2011)

This dataset contains the daily dynamic contact networks collected during the Infectious SocioPatterns event that took place at the Science Gallery in Dublin, Ireland, during the artscience exhibition INFECTIOUS: STAY AWAY. Each file in the downloadable package contains a tab-separated list representing the active contacts during 20-second intervals of one day of data collection. Each line has the form “t i j“, where i and j are the anonymous IDs of the persons in contact, and the interval during which this contact was active is .

This network has 10972 nodes and 415912 edges.

Tags: Social, Offline, Unweighted, Temporal

https://networks.skewed.de/net/sp_infectious

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lkml_thread: Linux kernel mailing list

A bipartite network of contributions by users to threads on the Linux kernel mailing list. A left node is a person, and a right node is a thread, and each timestamped edge (i,j,t) denotes that user i contributed to thread j at time t. The date of the snapshot is not given.

This network has 379554 nodes and 1565683 edges.

Tags: Social, Communication, Unweighted, Timestamps

https://networks.skewed.de/net/lkml_thread

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software_dependencies: Software dependencies (2010)

Several networks of software dependencies. Nodes represent libraries and a directed edge denotes a library dependency on another.

This network has 6126 nodes and 138706 edges.

Tags: Technological, Software, Unweighted

https://networks.skewed.de/net/software_dependencies#jung-j

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foursquare: Foursquare NYC restaurants (2012)

Two bipartite networks of users and restaurant locations in New York City on Foursquare, from 24 October 2011 to 20 February 2012. In one network, an edge denotes a check-in event of a user at a restaurant. In the other, an edge exists if a user left a tip/comment on a restaurant. Metadata include comments.

This network has 6410 nodes and 10377 edges.

Tags: Social, Online, Unweighted, Metadata

https://networks.skewed.de/net/foursquare#NYC_restaurant_tips

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sp_infectious: Art exhibit dynamic contacts (2011)

This dataset contains the daily dynamic contact networks collected during the Infectious SocioPatterns event that took place at the Science Gallery in Dublin, Ireland, during the artscience exhibition INFECTIOUS: STAY AWAY. Each file in the downloadable package contains a tab-separated list representing the active contacts during 20-second intervals of one day of data collection. Each line has the form “t i j“, where i and j are the anonymous IDs of the persons in contact, and the interval during which this contact was active is .

This network has 10972 nodes and 415912 edges.

Tags: Social, Offline, Unweighted, Temporal

https://networks.skewed.de/net/sp_infectious

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social_location: Location-based social networks

Two location-based online social networks, where nodes are accounts and edges are declared friendships. Networks includes checkins by these users.

This network has 58228 nodes and 428156 edges.

Tags: Social, Online, Spatial

https://networks.skewed.de/net/social_location#brightkite

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drosophila_flybi: Fruit fly protein interactions (Drosophila melanogaster)

Binary protein-protein interactions (PPIs) for Drosophila melanogaster, containing 8723 PPIs among 2939 proteins. The iteractions were identified using a yeast two-hybrid (Y2H) analysis.

This network has 2939 nodes and 8723 edges.

Tags: Biological, Protein interactions, Unweighted

https://networks.skewed.de/net/drosophila_flybi

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euroroad: Euroroad network (2011)

A network of international "E-roads," mostly in Europe. Vertices represent cities and edges represents roads. Metadata includes names of cities.

This network has 1174 nodes and 1417 edges.

Tags: Transportation, Roads, Unweighted, Metadata

https://networks.skewed.de/net/euroroad

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product_space: Atlas of Economic Complexity export network

Two networks of economic products, where a pair of products are connected if they are exported at similar rates by the same countries. The data are a projection from a bipartite network of nations and the products they export. Edges weights represent a similarity score (called "proximity"). Data based on UN Comtrade worldwide trade patterns. SITC network based on the Standard International Trade Classification and HS network based on the Harmonized Commodity Description and Coding System.

This network has 774 nodes and 1779 edges.

Tags: Economic, Trade, Weighted, Projection, Metadata

https://networks.skewed.de/net/product_space#SITC

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