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Conventionally, memory in end-to-end robotic learning involves inputting a sequence of past observations into the learned policy. However, in complex multi-stage real-world tasks, the robot's memory must represent past events at multiple…

Lifelong learning requires models that can continuously learn from sequential streams of data without suffering catastrophic forgetting due to shifts in data distributions. Deep learning models have thrived in the non-sequential learning…

Computation and Language · Computer Science 2021-07-27 Nithin Holla , Pushkar Mishra , Helen Yannakoudakis , Ekaterina Shutova

Large language models often suffer from fact loss, timeline confusion, persona drift, and reduced stability during long-range interaction, especially under high-noise knowledge bases, context clearing, and cross-model transfer. To address…

Artificial Intelligence · Computer Science 2026-05-15 Zhao Yang , Wang Huan , Li Yingshuo , Tu Haomiao , Lin Hujite

It is recently demonstrated that cortical activity can track the time courses of phrases and sentences during speech listening. Here, we propose a plausible neural processing framework to explain this phenomenon. It is argued that the brain…

Neurons and Cognition · Quantitative Biology 2020-02-28 Nai Ding

Large language models (LLMs) face inherent limitations in memory, including restricted context windows, long-term knowledge forgetting, redundant information accumulation, and hallucination generation. These issues severely constrain…

Artificial Intelligence · Computer Science 2026-03-20 Deliang Wen , Ke Sun

Real-world agents operate over long and evolving horizons, where information is repeatedly updated and may interfere across memories, requiring accurate recall and aggregated reasoning over multiple pieces of information. However, existing…

Computation and Language · Computer Science 2026-05-20 Hyunji Lee , Justin Chih-Yao Chen , Joykirat Singh , Zaid Khan , Elias Stengel-Eskin , Mohit Bansal

Human-robot communication in situated environments involves a complex interplay between knowledge representations across a wide variety of modalities. Crucially, linguistic information must be associated with representations of objects,…

Robotics · Computer Science 2018-11-27 Tom Williams , Ravenna Thielstrom , Evan Krause , Bradley Oosterveld , Matthias Scheutz

In this paper, we study the effect of long memory in the learnability of a sequential recommender system including users' implicit feedback. We propose an online algorithm, where model parameters are updated user per user over blocks of…

Information Retrieval · Computer Science 2021-12-07 Aleksandra Burashnikova , Marianne Clausel , Massih-Reza Amini , Yury Maximov , Nicolas Dante

Long-term memory is essential for natural, realistic dialogue. However, current large language model (LLM) memory systems rely on either brute-force context expansion or static retrieval pipelines that fail on edge-constrained devices. We…

Computation and Language · Computer Science 2025-10-13 Aneesh Jonelagadda , Christina Hahn , Haoze Zheng , Salvatore Penachio

Users issue queries to Search Engines, and try to find the desired information in the results produced. They repeat this process if their information need is not met at the first place. It is crucial to identify the important words in a…

Information Retrieval · Computer Science 2020-01-06 Kishaloy Halder , Heng-Tze Cheng , Ellie Ka In Chio , Georgios Roumpos , Tao Wu , Ritesh Agarwal

Lifelong machine learning is a novel machine learning paradigm which can continually accumulate knowledge during learning. The knowledge extracting and reusing abilities enable the lifelong machine learning to solve the related problems.…

Computation and Language · Computer Science 2019-06-03 Xianbin Hong , Gautam Pal , Sheng-Uei Guan , Prudence Wong , Dawei Liu , Ka Lok Man , Xin Huang

Fully data driven Chatbots for non-goal oriented dialogues are known to suffer from inconsistent behaviour across their turns, stemming from a general difficulty in controlling parameters like their assumed background personality and…

Computation and Language · Computer Science 2020-03-31 Fabian Galetzka , Chukwuemeka U. Eneh , David Schlangen

We describe a new class of learning models called memory networks. Memory networks reason with inference components combined with a long-term memory component; they learn how to use these jointly. The long-term memory can be read and…

Artificial Intelligence · Computer Science 2015-12-01 Jason Weston , Sumit Chopra , Antoine Bordes

We introduce a dynamic benchmarking system for conversational agents that evaluates their performance through a single, simulated, and lengthy user$\leftrightarrow$agent interaction. The interaction is a conversation between the user and…

Computation and Language · Computer Science 2024-10-14 David Castillo-Bolado , Joseph Davidson , Finlay Gray , Marek Rosa

With the improvements in speech recognition and voice generation technologies over the last years, a lot of companies have sought to develop conversation understanding systems that run on mobile phones or smart home devices through natural…

Computation and Language · Computer Science 2020-02-03 Mohammad Aliannejadi , Manajit Chakraborty , Esteban Andrés Ríssola , Fabio Crestani

In the field of natural language processing, open-domain chatbots have emerged as an important research topic. However, a major limitation of existing open-domain chatbot research is its singular focus on short single-session dialogue,…

Computation and Language · Computer Science 2023-10-23 Jihyoung Jang , Minseong Boo , Hyounghun Kim

Human-agent dialogues often exhibit topic continuity-a stable thematic frame that evolves through temporally adjacent exchanges-yet most large language model (LLM) agent memory systems fail to preserve it. Existing designs follow a…

Computation and Language · Computer Science 2026-01-21 Dehao Tao , Guoliang Ma , Yongfeng Huang , Minghu Jiang

Long-term memory (LTM) is essential for large language models (LLMs) to achieve autonomous intelligence in complex, evolving environments. Despite increasing efforts in memory-augmented and retrieval-based architectures, there remains a…

Computation and Language · Computer Science 2025-06-17 Luanbo Wan , Weizhi Ma

An effective healthcare agent must be able to recall and reason over a patient's longitudinal medical history. However, the absence of datasets with realistic long-term dialogue timelines limits systematic evaluation. Real clinical text is…

Computation and Language · Computer Science 2026-05-20 Hebin Hu , Renke Dai , Ah-Hwee Tan , Yilin Kang

The language generation and reasoning capabilities of large language models (LLMs) have enabled conversational systems with impressive performance in a variety of tasks, from code generation, to composing essays, to passing STEM and legal…

Artificial Intelligence · Computer Science 2025-02-28 Konstantina Christakopoulou , Iris Qu , John Canny , Andrew Goodridge , Cj Adams , Minmin Chen , Maja Matarić