collaborators

7 papers

cs.CL2026

Does The Way You Plan Matter? An Empirical Study of Planning Representations for LLM Web Agents

Alejandra Zambrano, Sara Vera Marjanovic, Imene Kerboua +2

Despite recent advances, LLM-based web agents still struggle with limited exploration, omission of critical steps, and sensitivity to task constraints. Prior work suggests that man…

cs.AI2026

CUBE: A Standard for Unifying Agent Benchmarks

Alexandre Lacoste, Nicolas Gontier, Oleh Shliazhko +23

The proliferation of agent benchmarks has created critical fragmentation that threatens research productivity. Each new benchmark requires substantial custom integration, creating…

cs.CL2025

MMTEB: Massive Multilingual Text Embedding Benchmark

Kenneth Enevoldsen, Isaac Chung, Imene Kerboua +83

Text embeddings are typically evaluated on a limited set of tasks, which are constrained by language, domain, and task diversity. To address these limitations and provide a more co…

cs.CL2025

FocusAgent: Simple Yet Effective Ways of Trimming the Large Context of Web Agents

Imene Kerboua, Sahar Omidi Shayegan, Megh Thakkar +7

Web agents powered by large language models (LLMs) must process lengthy web page observations to complete user goals; these pages often exceed tens of thousands of tokens. This sat…

cs.CL2025

LineRetriever: Planning-Aware Observation Reduction for Web Agents

Imene Kerboua, Sahar Omidi Shayegan, Megh Thakkar +6

While large language models have demonstrated impressive capabilities in web navigation tasks, the extensive context of web pages, often represented as DOM or Accessibility Tree (A…

cs.CL2025

Maintaining MTEB: Towards Long Term Usability and Reproducibility of Embedding Benchmarks

Isaac Chung, Imene Kerboua, Marton Kardos +2

The Massive Text Embedding Benchmark (MTEB) has become a standard evaluation platform for text embedding models. While previous work has established the core benchmark methodology,…