Add ctu-restbase

ctu-restbase/README.md

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+---
+tags:
+- relbench
+- relational-deep-learning
+pretty_name: ctu-restbase
+---
+
+# ctu-restbase
+
+A database of restaurants in the San Francisco Bay Area. Sourced from the CTU Prague Relational Learning Repository (https://relational.fel.cvut.cz/).
+
+## Schema
+
+![schema diagram](schema.svg)
+
+Open [`schema.svg`](schema.svg) for a zoomable view: each table lists all of its columns and types, with primary keys, foreign keys, and the foreign-key edges between tables.
+
+Splits: validation `2262-04-11`, test `2262-04-11` (rows up to a split's timestamp are the inputs for that split).
+
+## Tasks
+
+| task | kind | type | description |
+|---|---|---|---|
+| `restbase-original` | external | regression | Predict the `review` of each `generalinfo`. (random split) |
+
+## Loading
+
+```python
+import relbench
+ds = relbench.load_dataset("ctu-restbase")
+task = relbench.load_task("ctu-restbase", "<task>")
+```
+
+Manifest layout (`manifest.yaml` + plain parquet); see the RelBench [CONTRIBUTING guide](https://github.com/snap-stanford/relbench/blob/main/CONTRIBUTING.md).

ctu-restbase/db/generalinfo.parquet

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+oid sha256:bef60a17fdc721ff3561625f328078195890f5ab5adb1cb4e1932775ada90a4f
+size 185925

ctu-restbase/db/geographic.parquet

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+oid sha256:3101b4d70cb88eba3545c60b51574d4f94781fa9735b20d7e3aa24c63a9a9d27
+size 6050

ctu-restbase/db/location.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:b1a3cb8390ebdd48843958160f175056a3eef5c5a838df09b0ea66389126587e
+size 208982

ctu-restbase/manifest.yaml

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+name: ctu-restbase
+manifest_version: 1
+description: A database of restaurants in the San Francisco Bay Area. Sourced from the CTU Prague Relational Learning Repository (https://relational.fel.cvut.cz/).
+val_timestamp: '2262-04-11'
+test_timestamp: '2262-04-11'
+tables:
+  generalinfo:
+    pkey: __PK__
+    time_col: null
+    fkeys:
+      FK_geographic_city: geographic
+  location:
+    pkey: __PK__
+    time_col: null
+    fkeys:
+      FK_geographic_city: geographic
+      FK_generalinfo_id_restaurant: generalinfo
+  geographic:
+    pkey: __PK__
+    time_col: null
+    fkeys: {}

ctu-restbase/tasks/restbase-original/manifest.yaml

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+name: restbase-original
+kind: external
+task_type: regression
+description: Predict the `review` of each `generalinfo`. (random split)
+entity_table: generalinfo
+entity_col: __PK__
+target_col: review
+timedelta: 0 days
+manifest_version: 1

ctu-restbase/tasks/restbase-original/test.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:7db016b99f1d7da392c896e6a4118ba2be521e795c154beaf64ef938fabac185
+size 7535

ctu-restbase/tasks/restbase-original/train.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:68fa3881cb8e6c5af5c2d4fe18f4c15788216bd2dece60f7b7f6dec895a478f5
+size 49969

ctu-restbase/tasks/restbase-original/val.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:c1638e9955deeee1ac842ebfb41859c7d6ab648f9aff0839df57f71e38fdd2f9
+size 7582