Lease Renewal and Rent Adjustment Evidence Retrieval Benchmark

#legal evidence retrieval #clause retrieval #citation completeness verification #lease agreement review #rent adjustment analysis #real estate contract evidence retrieval

5000
0.2GB
JSON
CATL
MOBIUSI INC

Updated:2026-11-04

AI Analysis & Value Prop

This benchmark covers lease provisions concerning fixed-term expiration, automatic renewal, renewal options, rent escalation, market rent review, and rent adjustment procedures. Its examples pair retrieval questions with supporting contract excerpts, testing whether systems can distinguish similar clauses, connect conditions across passages, and return complete, citable evidence. It is designed for developing, validating, and comparing retrieval-augmented generation systems for legal documents.

Dataset Insights

Sample Examples

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Technical Specifications

Field	Type	Description
file_name	string	File name
answer_summary	string	A concise conclusion that directly answers the retrieval query based on all relevant evidence.
evidence_spans	array	One or more original contract passages supporting the retrieval conclusion, suitable for direct quotation and traceable to the source.
retrieval_query	string	A question about renewal, rent adjustment, or related procedures that must be answered using the contract text.
source_document	string	The full text of the lease or relevant contract provisions to be searched; the original text source for evidence extraction.
renewal_analysis	object	An evidence-based summary of renewal arrangements, such as fixed-term expiration, automatic renewal, or renewal options.
evidence_completeness	object	A derived assessment of whether the retrieval results cover the key conditions for renewal and rent adjustment.
rent_adjustment_terms	object	An evidence-based summary of rent escalation, market rent review, and rent adjustment procedures.

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

Which contract topics are covered?: The benchmark focuses on fixed-term expiration, automatic renewal, renewal options, rent escalation, market rent review, and rent adjustment procedures. Retrieval questions and supporting excerpts illustrate these tasks.

What system capabilities can it evaluate?: It can assess whether a system understands a retrieval question, locates one or more relevant contract passages, handles similar clauses and conditions spread across passages, and produces a direct, verifiable answer grounded in evidence.

What are the main data fields?: The main fields include the source contract text, retrieval query, evidence spans, renewal mechanism analysis, rent adjustment terms analysis, answer summary, and evidence completeness assessment.

What should users check before using the benchmark?: Confirm the delivery details, permitted uses, and licensing terms in the applicable dataset materials. The benchmark is intended for model development and evaluation, not as legal advice; qualified professionals should verify source language and applicable rules before making decisions about actual contracts.

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Cite this Work

@dataset{Mobiusi2026,
  title={Lease Renewal and Rent Adjustment Evidence Retrieval Benchmark},
  author={MOBIUSI INC},
  year={2026},
  url={https://www.mobiusi.com/datasets/d538ab6f5ed372e34e6f2dc10e9d8d8f?dataset_task_cate_id=10},
  urldate={2026-10-16},
  keywords={lease renewal dataset,rent adjustment benchmark,lease evidence retrieval,legal document RAG,contract clause search,renewal clause analysis,rent escalation retrieval,evidence localization evaluation},
  version={1.0}
}

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