Breaking News Claim and Evidence Verification Dataset
- Records
- 5000
- Size
- 0.3GB
- Format
- JSON
- Provider
MOBIUSI INC- Updated
- v1.02026-11-04
Designed for fact-checking breaking news webpages, this dataset pairs verifiable factual claims with source webpage information, relevant evidence spans, verdicts, and supporting rationales. Labels can indicate that evidence supports or contradicts a claim, or that the available evidence is insufficient. It supports evidence retrieval, claim-evidence matching, evidence-based judgment, and the development and evaluation of newsroom fact-checking workflows.
Overview
Dataset Insights
Preview
Sample Examples
Schema
Technical Specifications
| Field | Type | Description |
|---|---|---|
| file_name | string | File name |
| verdict | string | The conclusion reached about the claim after considering the webpage evidence. |
| claim_text | string | A verifiable factual claim that must be checked against webpage evidence. |
| evidence_spans | array | Evidence excerpts extracted from webpage content and their relationship to the claim. |
| source_webpage | object | The original webpage used as verification evidence, along with its source information. |
| verdict_rationale | string | An explanation of how the evidence supports the verdict and what information remains missing when evidence is insufficient. |
Trust
Compliance Statement
Authorization Type
Proprietary - Commercial AI Training License (No Redistribution)
Commercial Use
Requires exclusive subscription or authorization contract (monthly or per-invocation charging)
Privacy and Anonymization
No PII, no real company names, simulated scenarios follow industry standards
Compliance System
Compliant with China's Data Security Law / EU GDPR / supports enterprise data access logs
FAQ
Frequently Asked Questions
- What does the dataset contain?
- Each record centers on a factual claim to be checked and includes source webpage information, relevant evidence spans, a verdict, and a rationale. Labels may indicate supporting, contradicting, or insufficient evidence; the exact label set depends on the released version.
- Which model capabilities can it support?
- The data can support training and evaluation for webpage evidence retrieval, claim-evidence matching, and evidence-based fact judgments. It can also assist newsroom verification workflows. Models should use source context and verdict rationales rather than making judgments from isolated text.
- How can the data be obtained, and what format is provided?
- Availability, delivery format, and dataset size should be confirmed on the release page or with the data provider. Before integration, review the field definitions, availability of webpage content, character encoding, and update schedule, and adapt ingestion and storage to the supplied evidence format.
- What licensing and usage restrictions apply?
- Refer to the license terms supplied by the data provider. In particular, verify the rights to reproduce, store, and redistribute source webpage text. Confirm the relevant permissions and privacy requirements before using the data for commercial training, public release, or downstream products.
Can't find the data you need?
Post a request and let data providers reach out to you.
Get this Dataset
High-quality data, ready for your next AI breakthrough.
Cite this Work
@dataset{Mobiusi2026,
title={Breaking News Claim and Evidence Verification Dataset},
author={MOBIUSI INC},
year={2026},
url={https://www.mobiusi.com/datasets/b9cc91cf5058abe0d9095983b155078c?dataset_scene_id=17},
urldate={2026-10-19},
keywords={breaking news fact-checking dataset,news claim verification,claim-evidence matching,web evidence extraction,fact verification model,evidence retrieval training,media fact-checking data,claim truth assessment},
version={1.0}
}Using this in research? Please cite us.