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Talent Scout

M

Mohanna Hoveyda

Radboud University, Nijmegen, The Netherlands

J

Jelle Piepenbrock

Eindhoven University of Technology, Eindhoven, The Netherlands

A

Arjen P. de Vries

Radboud University, Nijmegen, The Netherlands

M

Maarten de Rijke

University of Amsterdam, Amsterdam, The Netherlands

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Founder's Pitch

"OrLog: A neuro-symbolic framework enhancing complex query resolution with efficient logic-aware retrieval."

Neuro-symbolic Information RetrievalScore: 6View PDF ↗

Commercial Viability Breakdown

0-10 scale

High Potential

2/4 signals

5

Quick Build

3/4 signals

7.5

Series A Potential

3/4 signals

7.5

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Why It Matters

This research is crucial for improving the reliability and efficiency of complex query resolution in information retrieval, a need that current purely neural models struggle to meet. It enables more precise handling of logical constraints in queries, which is important for applications in search engines and decision-support systems.

Product Angle

To productize OrLog, it would be embedded as an advanced query processing feature within existing search platforms, offering a premium service tier for users with complex information retrieval needs, enhancing the precision of search results.

Disruption

This could potentially replace existing complex search algorithms that do not effectively handle logical constraints, offering a significant leap in input understanding efficiency.

Product Opportunity

The market for advanced search features is substantial, particularly in sectors like legal, research, and business intelligence, where complex query handling can save significant time and increase productivity. Organizations like law firms, research institutions, and large enterprises would benefit considerably.

Use Case Idea

Integrate OrLog into enterprise search systems to enable precise retrieval of documents or entities based on complex, constraint-driven queries, catering to industries like legal research, academic databases, and content management systems.

Science

OrLog separates the tasks of predicate plausibility estimation and logical reasoning. The framework retrieves candidate entities using conventional retrieval models, then uses a language model to determine the plausibility of predicates associated with each entity. This data feeds into a probabilistic logic program using ProbLog, which derives the probability of satisfying the full query, allowing reranking based on these probabilities.

Method & Eval

The OrLog framework is tested against baseline retrieval models and current LLM-based reasoning systems using the QUEST dataset, which provides query scenarios with logical constraints. Key results show OrLog outperforms baselines in precision, particularly for queries demanding logical disjunction, while significantly reducing token usage.

Caveats

OrLog relies on precise language model outputs for predicate plausibility, which can falter with ambiguous queries or inadequate contextual data. Its performance also hinges on the quality of initial candidate retrieval models, which might not always provide the best entities for further reasoning.

Author Intelligence

Mohanna Hoveyda

Radboud University, Nijmegen, The Netherlands
mohanna.hoveyda@ru.nl

Jelle Piepenbrock

Eindhoven University of Technology, Eindhoven, The Netherlands
j.h.piepenbrock@tue.nl

Arjen P. de Vries

Radboud University, Nijmegen, The Netherlands
arjen.devries@ru.nl

Maarten de Rijke

University of Amsterdam, Amsterdam, The Netherlands
m.derijke@uva.nl

Faegheh Hasibi

Radboud University, Nijmegen, The Netherlands
faegheh.hasibi@ru.nl