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The multidimensional, heterogeneous, and temporal nature of speech databases raises interesting challenges for representation and query. Recently, annotation graphs have been proposed as a general-purpose representational framework for…

Computation and Language · Computer Science 2007-05-23 Steven Bird , Peter Buneman , Wang-Chiew Tan

Entity linking is a standard component in modern retrieval system that is often performed by third-party toolkits. Despite the plethora of open source options, it is difficult to find a single system that has a modular architecture where…

Information Retrieval · Computer Science 2020-06-04 Johannes M. van Hulst , Faegheh Hasibi , Koen Dercksen , Krisztian Balog , Arjen P. de Vries

We propose the vision of a functional data model (FDM) and an associated functional query language (FQL). Our proposal has far-reaching consequences: we show a path to come up with a modern QL that solves (almost if not) all problems of SQL…

Databases · Computer Science 2025-07-29 Jens Dittrich

Developing the capacity to effectively search for requisite datasets is an urgent requirement to assist data users in identifying relevant datasets considering the very limited available metadata. For this challenge, the utilization of…

Information Retrieval · Computer Science 2024-10-08 Teruaki Hayashi , Hiroki Sakaji , Jiayi Dai , Randy Goebel

Haskell is a popular choice for hosting deeply embedded languages. A recurring challenge for these embeddings is how to seamlessly integrate user defined algebraic data types. In particular, one important, convenient, and expressive feature…

Programming Languages · Computer Science 2022-08-01 Trevor L. McDonell , Joshua D. Meredith , Gabriele Keller

Requirements Engineering (RE) is the initial step towards building a software system. The success or failure of a software project is firmly tied to this phase, based on communication among stakeholders using natural language. The problem…

Software Engineering · Computer Science 2021-12-07 Mohammad Kasra Habib , Stefan Wagner , Daniel Graziotin

During the last two decades, it has been increasingly acknowledged that the engineering of information systems usually requires a huge effort in integrating master data and business processes. This has led to a plethora of proposals, both…

Databases · Computer Science 2019-07-10 Diego Calvanese , Marco Montali , Fabio Patrizi , Andrey Rivkin

Nested relational query languages have been explored extensively, and underlie industrial language-integrated query systems such as Microsoft's LINQ. However, relational databases do not natively support nested collections in query results.…

Databases · Computer Science 2014-05-05 James Cheney , Sam Lindley , Philip Wadler

The scaling of Large Language Model (LLM) services faces significant cost and latency challenges, making effective caching under tight capacity crucial. Existing cache replacement policies, from heuristics to learning-based methods,…

Databases · Computer Science 2026-02-26 Yuchong Wu , Zihuan Xu , Wangze Ni , Peng Cheng , Lei Chen , Xuemin Lin , Heng Tao Shen , Kui Ren

In natural language, often multiple entities appear in the same text. However, most previous works in Relation Extraction (RE) limit the scope to identifying the relation between two entities at a time. Such an approach induces a quadratic…

Computation and Language · Computer Science 2020-10-13 Zhijing Jin , Yongyi Yang , Xipeng Qiu , Zheng Zhang

We introduce RelNet: a new model for relational reasoning. RelNet is a memory augmented neural network which models entities as abstract memory slots and is equipped with an additional relational memory which models relations between all…

Computation and Language · Computer Science 2017-11-17 Trapit Bansal , Arvind Neelakantan , Andrew McCallum

Rascal is a high-level transformation language that aims to simplify software language engineering tasks like defining program syntax, analyzing and transforming programs, and performing code generation. The language provides several…

Programming Languages · Computer Science 2018-02-07 Ahmad Salim Al-Sibahi

Large language models (LLMs) excel in many natural language processing (NLP) tasks. However, since LLMs can only incorporate new knowledge through training or supervised fine-tuning processes, they are unsuitable for applications that…

Databases · Computer Science 2024-07-23 Zongyue Qin , Chen Luo , Zhengyang Wang , Haoming Jiang , Yizhou Sun

Large language models (LLM) have recently emerged as a powerful tool for a variety of natural language processing tasks, bringing a new surge of combining LLM with recommendation systems, termed as LLM-based RS. Current approaches generally…

Information Retrieval · Computer Science 2024-03-20 Xiaohan Yu , Li Zhang , Xin Zhao , Yue Wang , Zhongrui Ma

Large Language Models (LLMs) have made significant progress in assisting users to query databases in natural language. While LLM-based techniques provide state-of-the-art results on many standard benchmarks, their performance significantly…

Artificial Intelligence · Computer Science 2024-07-09 Nina Narodytska , Shay Vargaftik

Tackling the information retrieval gap between non-technical database end-users and those with the knowledge of formal query languages has been an interesting area of data management and analytics research. The use of natural language…

Information Retrieval · Computer Science 2020-09-29 Chantal Montgomery , Haruna Isah , Farhana Zulkernine

Existing in-context learning (ICL) methods for relation extraction (RE) often prioritize language similarity over structural similarity, which can lead to overlooking entity relationships. To address this, we propose an AMR-enhanced…

Computation and Language · Computer Science 2025-04-28 Peitao Han , Lis Kanashiro Pereira , Fei Cheng , Wan Jou She , Eiji Aramaki

Relational databases excel at structured data analysis, but real-world queries increasingly require capabilities beyond standard SQL, such as semantically matching entities across inconsistent names, extracting information not explicitly…

Databases · Computer Science 2026-05-15 Yin Lin , Tianjing Zeng , Zhongjun Ding , Rong Zhu , Bolin Ding , H. V. Jagadish , Jingren Zhou

A new family of Intensional RDBs (IRDBs), introduced in [1], extends the traditional RDBs with the Big Data and flexible and 'Open schema' features, able to preserve the user-defined relational database schemas and all preexisting user's…

Databases · Computer Science 2014-04-11 Zoran Majkic

Hierarchical Imitation Learning (HIL) is a promising approach for tackling long-horizon decision-making tasks. While it is a challenging task due to the lack of detailed supervisory labels for sub-goal learning, and reliance on hundreds to…

Artificial Intelligence · Computer Science 2024-10-04 Chengyang Gu , Yuxin Pan , Haotian Bai , Hui Xiong , Yize Chen