initial commit

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+*.jsonl.gz filter=lfs diff=lfs merge=lfs -text

README.md

@@ -0,0 +1,76 @@
+---
+annotations_creators:
+- no-annotation
+language:
+- fa
+- ru
+- zh
+language_creators:
+- found
+license:
+- odc-by
+multilinguality:
+- multilingual
+pretty_name: HC4
+size_categories:
+- 1M<n<10M
+source_datasets:
+- extended|c4
+tags: []
+task_categories:
+- text-retrieval
+task_ids:
+- document-retrieval
+---
+
+# Dataset Card for HC4
+
+## Dataset Description
+
+- **Repository:** https://github.com/hltcoe/HC4
+- **Paper:** https://arxiv.org/abs/2201.09992
+
+### Dataset Summary
+
+HC4 is a suite of test collections for ad hoc Cross-Language Information Retrieval (CLIR), with Common Crawl News documents in Chinese, Persian, and Russian. The documents
+are Web pages from Common Crawl in Chinese, Persian, and Russian.
+
+### Languages
+
+ - Chinese
+ - Persian
+ - Russian
+
+## Dataset Structure
+
+### Data Instances
+
+| Split          | Documents |
+|----------------|----------:|
+| `fa` (Persian) |      486K |
+| `ru` (Russian) |      4.7M |
+| `zh` (Chinese) |      646K |
+
+### Data Fields
+ - `id`: unique identifier for this document
+ - `cc_file`: source file from connon crawl
+ - `time`: extracted date/time from article
+ - `title`: title extracted from article
+ - `text`: extracted article body
+ - `url`: source URL
+
+### Citation Information
+
+```
+@article{Lawrie2022HC4,
+  author = {Dawn Lawrie and James Mayfield and Douglas W. Oard and Eugene Yang},
+  title = {HC4: A New Suite of Test Collections for Ad Hoc CLIR},
+  booktitle = {{Advances in Information Retrieval. 44th European Conference on IR Research (ECIR 2022)},
+  year = {2022},
+  month = apr,
+  publisher = {Springer},
+  series = {Lecture Notes in Computer Science},
+  site = {Stavanger, Norway},
+  url = {https://arxiv.org/abs/2201.09992}
+}
+```

data/fas-00000-of-00001.jsonl.gz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b15f68b9e0b530f3ba5ad6c586a3a8b4288ce833468d87af9ed2ce07ca8202d1
+size 518142839

data/rus-00000-of-00001.jsonl.gz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec3b78f69f02968f638789e796f4474cb0a1f335bcf3549be0ce81cac8a75e0f
+size 4220240321

data/zho-00000-of-00001.jsonl.gz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63a8b2bdf7b9977bda2da87e2d096edc07efee945f5719639f99edb0b2f6b67f
+size 578213701