Upload metadata.json

metadata.json

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+{
+  "name": "github_lead_lag_timeseries",
+  "version": "1.0.0",
+  "description": "GitHub repository event sequences for push/create, fork, and star activities.",
+  "license": "CC BY 4.0",
+  "homepage": "https://lead-lag-forecasting.github.io",
+  "data_sources": {
+    "events": {
+      "origin": "GH Archive (https://www.gharchive.org/) on Google BigQuery",
+      "coverage": "424M repositories from 2011-02-12 to 2024-12-31",
+      "processing": [
+        "PushEvents, CreateEvents, WatchEvents (stars), and ForkEvents are selected.",
+        "Each type of events are aggregated on daily basis to form time series."
+      ]
+    },
+    "repository_metadata": {
+      "origin": "Ecosyste.ms open-access dump (https://packages.ecosyste.ms/open-data)",
+      "coverage": "2007-10-29 to 2024-06-04",
+      "processing": [
+        "3M package repositories from 2011-02-12 to 2024-06-04 are selected.",
+        "Associated package platforms and the created dates of the repositories are extracted."
+      ]
+    },
+    "merge": [
+      "Left join between Ecosyste.ms and GH Archive records."
+    ]
+  },
+  "features": {
+    "id": {
+      "type": "string",
+      "description": "Repository identifier: owner_name/repo_name",
+      "extraction": "From Ecosyste.ms metadata"
+    },
+    "platform": {
+      "type": "list[string]",
+      "description": "List of platforms the repo was released on (e.g. PyPI, npm)",
+      "extraction": "From Ecosyste.ms metadata"
+    },
+    "created_date": {
+      "type": "timestamp",
+      "description": "Date of GitHub repository creation",
+      "extraction": "From Ecosyste.ms metadata"
+    },
+    "first_create": {
+      "type": "float",
+      "description": "Days between first CreateEvent (repo, branch, or tag creation) and creation date, !=0 implies anomaly",
+      "extraction": "Comparison between GH Archive CreateEvent data and Ecosyste.ms metadata"
+    },
+    "first_push": {
+      "type": "float",
+      "description": "Days between first PushEvent and creation date, <0 implies anomaly",
+      "extraction": "Comparison between GH Archive PushEvent data and Ecosyste.ms metadata"
+    },
+    "first_star": {
+      "type": "float",
+      "description": "Days between first WatchEvent (star) and creation date, <0 implies anomaly",
+      "extraction": "Comparison between GH Archive WatchEvent data and Ecosyste.ms metadata"
+    },
+    "first_fork": {
+      "type": "float",
+      "description": "Days between first ForkEvent and creation date, <0 implies anomaly",
+      "extraction": "Comparison between GH Archive ForkEvent data and Ecosyste.ms metadata"
+    },
+    "cumulative_pushes_w_creates": {
+      "type": "list[int]",
+      "description": "Daily cumulative pushes + creates (of repo, branches, and tags) since creation date",
+      "extraction": "Summed per day from GH Archive events"
+    },
+    "cumulative_pushes": {
+      "type": "list[int]",
+      "description": "Daily cumulative pushes without CreateEvents since creation date",
+      "extraction": "Summed per day from GH Archive events"
+    },
+    "cumulative_stars": {
+      "type": "list[int]",
+      "description": "Daily cumulative WatchEvents (stars) since creation date",
+      "extraction": "Summed per day from GH Archive events"
+    },
+    "cumulative_forks": {
+      "type": "list[int]",
+      "description": "Daily cumulative forks since creation date",
+      "extraction": "Summed per day from GH Archive events"
+    }
+  },
+  "splits": {
+    "train": {
+      "description": "Random sample from labeled packages with >=5 years of activity and no anomalies",
+      "num_examples": 938567
+    },
+    "val": {
+      "description": "Random validation subset",
+      "num_examples": 234615
+    },
+    "test": {
+      "description": "Random test subset",
+      "num_examples": 234640
+    },
+    "unlabeled_test": {
+      "description": "Repositories with <5 years of activity",
+      "num_examples": 1568622
+    },
+    "train_extra": {
+      "description": "Repositories with anomalies",
+      "num_examples": 58077
+    }
+  },
+  "access_instructions": [
+    "Download from https://lead-lag-forecasting.github.io"
+  ]
+}