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Retrieval-augmented language models have demonstrated performance comparable to much larger models while requiring fewer computational resources. The effectiveness of these models crucially depends on the overlap between query and retrieved…

Computation and Language · Computer Science 2025-05-21 Ehsan Doostmohammadi , Marco Kuhlmann

We propose a new architecture for adapting a sentence-level sequence-to-sequence transformer by incorporating multiple pretrained document context signals and assess the impact on translation performance of (1) different pretraining…

Computation and Language · Computer Science 2021-08-02 Domenic Donato , Lei Yu , Chris Dyer

The use of conversational assistants to search for information is becoming increasingly more popular among the general public, pushing the research towards more advanced and sophisticated techniques. In the last few years, in particular,…

Information Retrieval · Computer Science 2021-04-15 Rafael Ferreira , David Semedo , Joao Magalhaes

In this paper, we propose Cross-Thought, a novel approach to pre-training sequence encoder, which is instrumental in building reusable sequence embeddings for large-scale NLP tasks such as question answering. Instead of using the original…

Computation and Language · Computer Science 2020-10-09 Shuohang Wang , Yuwei Fang , Siqi Sun , Zhe Gan , Yu Cheng , Jing Jiang , Jingjing Liu

In the task of machine translation, context information is one of the important factor. But considering the context information model dose not proposed. The paper propose a new model which can integrate context information and make…

Computation and Language · Computer Science 2019-04-02 Tetsuto Takano , Satoshi Yamane

Automatic translation systems offer a powerful solution to bridge language barriers in scenarios where participants do not share a common language. However, these systems can introduce errors leading to misunderstandings and conversation…

Computation and Language · Computer Science 2025-07-01 José Pombal , Sweta Agrawal , Patrick Fernandes , Emmanouil Zaranis , André F. T. Martins

Recent advances in deep neural networks, language modeling and language generation have introduced new ideas to the field of conversational agents. As a result, deep neural models such as sequence-to-sequence, Memory Networks, and the…

Computation and Language · Computer Science 2019-02-27 Momchil Hardalov , Ivan Koychev , Preslav Nakov

Transformer models using segment-based processing have been an effective architecture for simultaneous speech translation. However, such models create a context mismatch between training and inference environments, hindering potential…

Computation and Language · Computer Science 2023-07-06 Matthew Raffel , Drew Penney , Lizhong Chen

There are two approaches for pairwise sentence scoring: Cross-encoders, which perform full-attention over the input pair, and Bi-encoders, which map each input independently to a dense vector space. While cross-encoders often achieve higher…

Computation and Language · Computer Science 2021-04-13 Nandan Thakur , Nils Reimers , Johannes Daxenberger , Iryna Gurevych

Accurate prediction of conversation topics can be a valuable signal for creating coherent and engaging dialog systems. In this work, we focus on context-aware topic classification methods for identifying topics in free-form human-chatbot…

Computation and Language · Computer Science 2018-10-22 Chandra Khatri , Rahul Goel , Behnam Hedayatnia , Angeliki Metanillou , Anushree Venkatesh , Raefer Gabriel , Arindam Mandal

Increased adaptability of RNN language models leads to improved predictions that benefit many applications. However, current methods do not take full advantage of the RNN structure. We show that the most widely-used approach to adaptation…

Computation and Language · Computer Science 2017-04-24 Aaron Jaech , Mari Ostendorf

Current state-of-the-art approaches to cross-modal retrieval process text and visual input jointly, relying on Transformer-based architectures with cross-attention mechanisms that attend over all words and objects in an image. While…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Gregor Geigle , Jonas Pfeiffer , Nils Reimers , Ivan Vulić , Iryna Gurevych

Cross-lingual alignment in pretrained language models enables knowledge transfer across languages. Similar alignment has been reported in Whisper-style speech encoders, based on spoken translation retrieval using representational…

Computation and Language · Computer Science 2026-04-07 Ryan Soh-Eun Shim , Domenico De Cristofaro , Chengzhi Martin Hu , Alessandro Vietti , Barbara Plank

Large transformer-based language models have been shown to be very effective in many classification tasks. However, their computational complexity prevents their use in applications requiring the classification of a large set of candidates.…

Computation and Language · Computer Science 2020-05-08 Luca Soldaini , Alessandro Moschitti

In this paper, we investigate the in-context learning ability of retrieval-augmented encoder-decoder language models. We first conduct a comprehensive analysis of existing models and identify their limitations in in-context learning,…

Computation and Language · Computer Science 2024-08-20 Jie Huang , Wei Ping , Peng Xu , Mohammad Shoeybi , Kevin Chen-Chuan Chang , Bryan Catanzaro

Existing cross-encoder models can be categorized as pointwise, pairwise, or listwise. Pairwise and listwise models allow passage interactions, which typically makes them more effective than pointwise models but less efficient and less…

We introduce a novel approach to transformers that learns hierarchical representations in multiparty dialogue. First, three language modeling tasks are used to pre-train the transformers, token- and utterance-level language modeling and…

Computation and Language · Computer Science 2020-06-01 Changmao Li , Jinho D. Choi

Effective communication in automated chat systems hinges on the ability to understand and respond to context. Traditional models often struggle with determining when additional context is necessary for generating appropriate responses. This…

Computation and Language · Computer Science 2024-10-03 Minghao Liu , Mingxiu Sui , Yi Nan , Cangqing Wang , Zhijie Zhou

Transformer-based models have achieved great success on sentence pair modeling tasks, such as answer selection and natural language inference (NLI). These models generally perform cross-attention over input pairs, leading to prohibitive…

Computation and Language · Computer Science 2023-10-24 Yuanhang Yang , Shiyi Qi , Chuanyi Liu , Qifan Wang , Cuiyun Gao , Zenglin Xu

Conversational retrieval refers to an information retrieval system that operates in an iterative and interactive manner, requiring the retrieval of various external resources, such as persona, knowledge, and even response, to effectively…

Computation and Language · Computer Science 2024-02-29 Hongru Wang , Boyang Xue , Baohang Zhou , Rui Wang , Fei Mi , Weichao Wang , Yasheng Wang , Kam-Fai Wong