Evidence Retrieval Dataset for Conflicting Clauses in Lease Agreements

#legal evidence retrieval #controlling clause identification #context-complete evidence retrieval #lease agreement review #conflicting clause analysis #contractual evidence retrieval

5000
0.5GB
JSON
CATL
MOBIUSI INC

Updated:2026-10-19

AI Analysis & Value Prop

This dataset contains challenging retrieval examples from lease agreements and related legal documents, covering version differences, exceptions, rules of precedence, amendment overrides, and apparent contradictions. Each example is organized around the original query, contract context, candidate evidence, conflict analysis, controlling-evidence decisions, and retrieval supervision labels. It supports RAG retrieval training and evaluation, legal evidence ranking, and lease dispute analysis.

Dataset Insights

Sample Examples

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Technical Specifications

Field	Type	Description
file_name	string	File name
case_input	object	The original query, contract context, and candidate evidence for a lease clause conflict retrieval task.
retrieval_labels	object	Ranking, positive-example, and hard-negative labels for training or evaluating retrieval systems.
conflict_analysis	object	Identifies clause conflicts and applicable resolution rules based on the original contract text and candidate evidence.
controlling_evidence	object	Marks the evidence with greater controlling effect among conflicting candidates while preserving necessary context.

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

Frequently Asked Questions

What does the dataset contain?: Examples include lease-related queries, contract context, and candidate evidence, with annotations for conflict analysis, controlling-evidence decisions, and retrieval supervision. Scenarios cover version differences, exceptions, precedence rules, and amendment overrides.

Which systems and tasks is it suitable for?: It is designed for legal retrieval-augmented generation systems and can support evidence retrieval and ranking, analysis of conflicting candidates, hard negative identification, and verification of contractual grounds.

How can I access the data, and what are the licensing terms?: Refer to the product page for available delivery methods, formats, and license terms. Before use, confirm that the license covers your intended application and follow any restrictions on copying, redistribution, or commercial use.

Can this dataset replace legal review or legal advice?: No. It is intended for model training, retrieval evaluation, and research, and does not constitute legal advice. Contract review and dispute resolution require consideration of the complete agreement, applicable law, and specific facts by qualified professionals.

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Cite this Work

@dataset{Mobiusi2026,
  title={Evidence Retrieval Dataset for Conflicting Clauses in Lease Agreements},
  author={MOBIUSI INC},
  year={2026},
  url={https://www.mobiusi.com/datasets/692460eae559f255e26900439e46dfca},
  urldate={2026-10-16},
  keywords={lease agreement dataset,conflicting contract clauses,legal evidence retrieval,RAG retrieval data,controlling evidence,contract version differences,hard negatives,legal document dataset},
  version={1.0}
}

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