History of bitcoin_alpha

The changes to the source code of this entry in the repository, newest first, each with the differences it made to the entry's files. They are also listed on GitLab.

2026-10-25 [entries] Fix parse bugs and improve the metadata of existing entries by Tiago de Paula Peixoto c996a0e

From a review of the dataset descriptions against the upstream sources
and papers, and from user reports:

- parse fixes (wrong edge direction or directedness, shifted or
  misnamed properties, merged node identities, duplicated or missing
  edges and nodes, wrong types), e.g. arxiv_citation (the HepTh dates
  were a copy of the HepPh ones; now from the KDD Cup 2003 data),
  eu_procurements, foursquare_global, hiv_transmission, genetic_multiplex,
  gnutella (adds the 05 snapshot), roadnet, macaque_neural, python_dependency
- descriptions rewritten from the upstream sources, documenting every
  property
- corrected titles, citations and DOIs, licences (ustream_license typo,
  the data's own terms), tags and ICON ids
- url lists for entries with several sources or dataset pages
- SocioPatterns entries moved to the site's new data location, with the
  daily networks of sp_infectious and sp_primary_school
- the Michael Fire entries marked as orphans (served from the mirror)
- redundant type forcings removed after the graph-tool coercion fixes

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index 670e5aa..3180713 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -19,13 +19,17 @@
 from .. import *
 
 title = "Bitcoin Alpha trust network (2017)"
-description = """A network of who-trusts-whom relationships among users of the Bitcoin Alpha 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.[^icon]
-[^icon]: Description obtained from the [ICON](https://icon.colorado.edu) project."""
+description = r"""A who-trusts-whom network of users of Bitcoin Alpha, an online platform for trading with Bitcoin. Since Bitcoin users are anonymous, the platform let members rate each other to build a record of reputation that helps prevent transactions with fraudulent or risky users. A directed edge $i \to j$ means that user $i$ rated user $j$, on a scale from -10 (total distrust) to +10 (total trust) in steps of 1 (a rating of 0 is not possible). The data, covering ratings made from November 2010 to January 2016, were collected and released by S. Kumar and collaborators as the first explicit weighted signed directed network available for research.
+
+The network has the following properties:
+
+- Nodes: `name`, the anonymized user identifier.
+- Edges: `rating`, the rating (an integer from -10 to +10, excluding 0); `time`, the time of the rating, in seconds since the Unix epoch (with a resolution of one day)."""
 tags = ['Social', 'Online', 'Weighted', 'Signed', 'Timestamps']
 url = 'http://snap.stanford.edu/data/soc-sign-bitcoinalpha.html'
 citation = [('S. Kumar, F. Spezzano, V.S. Subrahmanian, and C. Faloutsos, "Edge weight prediction in weighted signed networks." IEEE 16th International Conference on Data Mining (ICDM), 221-230 (2016)', 'https://doi.org/10.1109/icdm.2016.0033')]
 icon_hash = '5a8a5fa0d403934d2b3a3109'
-ustream_license = None
+upstream_license = None
 upstream_prefix = 'https://snap.stanford.edu/data'
 files = [('soc-sign-bitcoinalpha.csv.gz', None,
           ('csv', dict(props=["rating", "time"])))]

2026-10-24 Update copyright information by Tiago de Paula Peixoto 73a4f0d

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index 79c1013..670e5aa 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2020-2024 Tiago de Paula Peixoto <tiago@skewed.de>
+# Copyright (C) 2020-2026 Tiago de Paula Peixoto <tiago@skewed.de>
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Affero General Public License as published by the Free

2024-05-27 Update copyright information by Tiago de Paula Peixoto 3d288ea

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index 54c896e..79c1013 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2020-2023 Tiago de Paula Peixoto <tiago@skewed.de>
+# Copyright (C) 2020-2024 Tiago de Paula Peixoto <tiago@skewed.de>
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Affero General Public License as published by the Free

2023-02-19 Update copyright information by Tiago de Paula Peixoto 8d005ae

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index 184b517..54c896e 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2021 Tiago de Paula Peixoto <tiago@skewed.de>
+# Copyright (C) 2020-2023 Tiago de Paula Peixoto <tiago@skewed.de>
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Affero General Public License as published by the Free

2021-06-22 Update copyright info by Tiago de Paula Peixoto db2efcc

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index 0ec9ff9..184b517 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2020 Tiago de Paula Peixoto <tiago@skewed.de>
+# Copyright (C) 2021 Tiago de Paula Peixoto <tiago@skewed.de>
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Affero General Public License as published by the Free

2020-11-28 Update citations to use DOIs by Tiago de Paula Peixoto e878874

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index 1340eda..0ec9ff9 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -23,7 +23,7 @@ description = """A network of who-trusts-whom relationships among users of the B
 [^icon]: Description obtained from the [ICON](https://icon.colorado.edu) project."""
 tags = ['Social', 'Online', 'Weighted', 'Signed', 'Timestamps']
 url = 'http://snap.stanford.edu/data/soc-sign-bitcoinalpha.html'
-citation = [('S. Kumar, F. Spezzano, V.S. Subrahmanian, and C. Faloutsos, "Edge weight prediction in weighted signed networks." IEEE 16th International Conference on Data Mining (ICDM), 221-230 (2016)', 'https://cs.stanford.edu/~srijan/pubs/wsn-icdm16.pdf')]
+citation = [('S. Kumar, F. Spezzano, V.S. Subrahmanian, and C. Faloutsos, "Edge weight prediction in weighted signed networks." IEEE 16th International Conference on Data Mining (ICDM), 221-230 (2016)', 'https://doi.org/10.1109/icdm.2016.0033')]
 icon_hash = '5a8a5fa0d403934d2b3a3109'
 ustream_license = None
 upstream_prefix = 'https://snap.stanford.edu/data'

2020-09-15 Change license from GPLv3 to AGPLv3 by Tiago de Paula Peixoto d754be5

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index c31847e..1340eda 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -3,18 +3,18 @@
 #
 # Copyright (C) 2020 Tiago de Paula Peixoto <tiago@skewed.de>
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# You should have received a copy of the GNU Affero General Public License along
+# with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from .. import *

2020-09-13 Add explicit attribution to descriptions obtained from ICON by Tiago de Paula Peixoto 1645314

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
index c9f0639..c31847e 100644
--- a/entries/bitcoin_alpha/__init__.py
+++ b/entries/bitcoin_alpha/__init__.py
@@ -19,7 +19,8 @@
 from .. import *
 
 title = "Bitcoin Alpha trust network (2017)"
-description = "A network of who-trusts-whom relationships among users of the Bitcoin Alpha 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."
+description = """A network of who-trusts-whom relationships among users of the Bitcoin Alpha 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.[^icon]
+[^icon]: Description obtained from the [ICON](https://icon.colorado.edu) project."""
 tags = ['Social', 'Online', 'Weighted', 'Signed', 'Timestamps']
 url = 'http://snap.stanford.edu/data/soc-sign-bitcoinalpha.html'
 citation = [('S. Kumar, F. Spezzano, V.S. Subrahmanian, and C. Faloutsos, "Edge weight prediction in weighted signed networks." IEEE 16th International Conference on Data Mining (ICDM), 221-230 (2016)', 'https://cs.stanford.edu/~srijan/pubs/wsn-icdm16.pdf')]

2020-08-11 Initial commit by Tiago de Paula Peixoto cc85872

diff --git a/entries/bitcoin_alpha/__init__.py b/entries/bitcoin_alpha/__init__.py
new file mode 100644
index 0000000..c9f0639
--- /dev/null
+++ b/entries/bitcoin_alpha/__init__.py
@@ -0,0 +1,50 @@
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2020 Tiago de Paula Peixoto <tiago@skewed.de>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from .. import *
+
+title = "Bitcoin Alpha trust network (2017)"
+description = "A network of who-trusts-whom relationships among users of the Bitcoin Alpha 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."
+tags = ['Social', 'Online', 'Weighted', 'Signed', 'Timestamps']
+url = 'http://snap.stanford.edu/data/soc-sign-bitcoinalpha.html'
+citation = [('S. Kumar, F. Spezzano, V.S. Subrahmanian, and C. Faloutsos, "Edge weight prediction in weighted signed networks." IEEE 16th International Conference on Data Mining (ICDM), 221-230 (2016)', 'https://cs.stanford.edu/~srijan/pubs/wsn-icdm16.pdf')]
+icon_hash = '5a8a5fa0d403934d2b3a3109'
+ustream_license = None
+upstream_prefix = 'https://snap.stanford.edu/data'
+files = [('soc-sign-bitcoinalpha.csv.gz', None,
+          ('csv', dict(props=["rating", "time"])))]
+
+def fetch_upstream(force=False):
+    return fetch_upstream_files(__name__.split(".")[-1], upstream_prefix, files,
+                                force)
+
+@cache_network()
+@coerce_props()
+@annotate()
+def parse(alts=None):
+    global files
+    name = __name__.split(".")[-1]
+    for fnames, alt, fmt in files:
+        if alts is not None and alt not in alts:
+            continue
+        if isinstance(fnames, str):
+            fnames = [fnames]
+        with ExitStack() as stack:
+            fs = [stack.enter_context(open_upstream_file(name, fn, "rb")) for fn in fnames]
+            g = parse_graph(fs, fmt, directed=True)
+        yield alt, g