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The rapid acceleration of scientific publishing has created substantial challenges for researchers attempting to discover, contextualize, and interpret relevant literature. Traditional keyword-based search systems provide limited semantic…

Information Retrieval · Computer Science 2025-12-16 Sina Jani , Arman Heidari , Amirmohammad Anvari , Zahra Rahimi

The integration of external personalized context information into document-grounded conversational systems has significant potential business value, but has not been well-studied. Motivated by the concept of personalized context-aware…

Artificial Intelligence · Computer Science 2023-08-29 Hui Wan , Hongkang Li , Songtao Lu , Xiaodong Cui , Marina Danilevsky

Existing object-search approaches enable robots to search through free pathways, however, robots operating in unstructured human-centered environments frequently also have to manipulate the environment to their needs. In this work, we…

Robotics · Computer Science 2023-11-07 Fabian Schmalstieg , Daniel Honerkamp , Tim Welschehold , Abhinav Valada

While Retrieval-Augmented Generation (RAG) augments Large Language Models (LLMs) with external knowledge, conventional single-agent RAG remains fundamentally limited in resolving complex queries demanding coordinated reasoning across…

Computation and Language · Computer Science 2025-04-18 Pei Liu , Xin Liu , Ruoyu Yao , Junming Liu , Siyuan Meng , Ding Wang , Jun Ma

Scientific literature searches are often exploratory, whereby users are not yet familiar with a particular field or concept but are interested in learning more about it. However, existing systems for scientific literature search are…

Computation and Language · Computer Science 2024-07-08 Tim Schopf , Florian Matthes

We present a context-aware neural ranking model to exploit users' on-task search activities and enhance retrieval performance. In particular, a two-level hierarchical recurrent neural network is introduced to learn search context…

Information Retrieval · Computer Science 2019-06-07 Wasi Uddin Ahmad , Kai-Wei Chang , Hongning Wang

Large-scale multi-agent pathfinding (MAPF) presents significant challenges in several areas. As systems grow in complexity with a multitude of autonomous agents operating simultaneously, efficient and collision-free coordination becomes…

Multiagent Systems · Computer Science 2024-02-27 Huijie Tang , Federico Berto , Zihan Ma , Chuanbo Hua , Kyuree Ahn , Jinkyoo Park

We introduce a novel large language model (LLM)-driven agent framework, which iteratively refines queries and filters contextual evidence by leveraging dynamically evolving knowledge. A defining feature of the system is its decoupling of…

Artificial Intelligence · Computer Science 2025-04-02 Seyoung Song

Since individuals may struggle to recall all life details and often confuse events, establishing a system to assist users in recalling forgotten experiences is essential. While numerous studies have proposed memory recall systems, these…

Computation and Language · Computer Science 2026-02-26 Chia Cheng Chang , An-Zi Yen , Hen-Hsen Huang , Hsin-Hsi Chen

Deep search agents powered by large language models have demonstrated strong capabilities in multi-step retrieval, reasoning, and long-horizon task execution. However, their practical failures often stem from the lack of mechanisms to…

Computation and Language · Computer Science 2026-02-02 Zhongxiang Sun , Qipeng Wang , Weijie Yu , Jingxuan Yang , Haolang Lu , Jun Xu

Agentic AI require persistent memory to store user-specific histories beyond the limited context window of LLMs. Existing memory systems use dense vector databases or knowledge-graph traversal (or hybrid), incurring high retrieval latency…

Artificial Intelligence · Computer Science 2026-02-17 Yi Li , Lianjie Cao , Faraz Ahmed , Puneet Sharma , Bingzhe Li

Humans are expert explorers. Understanding the computational cognitive mechanisms that support this efficiency can advance the study of the human mind and enable more efficient exploration algorithms. We hypothesize that humans explore new…

Machine Learning · Computer Science 2022-03-21 Sugandha Sharma , Aidan Curtis , Marta Kryven , Josh Tenenbaum , Ila Fiete

In the field of Material Science, effective information retrieval systems are essential for facilitating research. Traditional Retrieval-Augmented Generation (RAG) approaches in Large Language Models (LLMs) often encounter challenges such…

Information Retrieval · Computer Science 2024-12-03 Radeen Mostafa , Mirza Nihal Baig , Mashaekh Tausif Ehsan , Jakir Hasan

Autonomous robots can benefit greatly from human-provided semantic characterizations of uncertain task environments and states. However, the development of integrated strategies which let robots model, communicate, and act on such 'soft…

Robotics · Computer Science 2023-09-01 Luke Burks , Hunter M. Ray , Jamison McGinley , Sousheel Vunnam , Nisar Ahmed

In the context of recommendation systems, addressing multi-behavioral user interactions has become vital for understanding the evolving user behavior. Recent models utilize techniques like graph neural networks and attention mechanisms for…

Information Retrieval · Computer Science 2024-05-17 Shereen Elsayed , Ahmed Rashed , Lars Schmidt-Thieme

As large language models reshape scientific research, literature retrieval faces a twofold challenge: ensuring source authenticity while maintaining a deep comprehension of academic search intents. While reliable, traditional…

Information Retrieval · Computer Science 2026-05-15 Yuwen Du , Tian Jin , Jing Kang , Xianghe Pang , Jingyi Chai , Tingjia Miao , Fenyi Liu , WenHao Wang , Sikai Yao , Yuzhi Zhang , Siheng Chen

Information retrieval in Large Language Models (LLMs) is increasingly recognized as intertwined with generation capabilities rather than mere lookup. While longer contexts are often assumed to improve retrieval, the effects of intra-context…

Computation and Language · Computer Science 2025-08-01 Chupei Wang , Jiaqiu Vince Sun

Maps are an important source of information in archaeology and other sciences. Users want to search for historical maps to determine recorded history of the political geography of regions at different eras, to find out where exactly…

Digital Libraries · Computer Science 2009-01-27 Qingzhao Tan , Prasenjit Mitra , C. Lee Giles

Enabling robots to efficiently search for and identify objects in complex, unstructured environments is critical for diverse applications ranging from household assistance to industrial automation. However, traditional scene representations…

Robotics · Computer Science 2025-08-29 Liding Zhang , Zeqi Li , Kuanqi Cai , Qian Huang , Zhenshan Bing , Alois Knoll

Constructing memory from users' long-term conversations overcomes LLMs' contextual limitations and enables personalized interactions. Recent studies focus on hierarchical memory to model users' multi-granular behavioral patterns via…

Multiagent Systems · Computer Science 2026-01-13 Wenyu Mao , Haosong Tan , Shuchang Liu , Haoyang Liu , Yifan Xu , Huaxiang Ji , Xiang Wang