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Evaluating text-to-SQL systems remains largely fragile: correctness is typically judged by executing predicted and gold SQL queries on a single static database, even though the same queries may behave differently under alternative database…

Databases · Computer Science 2026-05-01 Mohammadamin Habibollah , Davood Rafiei

Semantic parsing is the task of translating natural language utterances into machine-readable meaning representations. Currently, most semantic parsing methods are not able to utilize contextual information (e.g. dialogue and comments…

Computation and Language · Computer Science 2020-11-03 Zhuang Li , Lizhen Qu , Gholamreza Haffari

Consistent query answering is an inconsistency tolerant approach to obtaining semantically correct answers from a database that may be inconsistent with respect to its integrity constraints. In this work we formalize the notion of…

Databases · Computer Science 2011-06-09 M. Andrea Rodríguez , Leopoldo Bertossi , Monica Caniupan

Recent In-Context Learning based methods have achieved remarkable success in Text-to-SQL task. However, there is still a large gap between the performance of these models and human performance on datasets with complex database schema and…

Computation and Language · Computer Science 2024-11-08 Wenxuan Xie , Gaochen Wu , Bowen Zhou

Remote sensing imagery has attracted significant attention in recent years due to its instrumental role in global environmental monitoring, land usage monitoring, and more. As image databases grow each year, performing automatic…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jielu Zhang , Zhongliang Zhou , Gengchen Mai , Mengxuan Hu , Zihan Guan , Sheng Li , Lan Mu

Selective rationalization aims to produce decisions along with rationales (e.g., text highlights or word alignments between two sentences). Commonly, rationales are modeled as stochastic binary masks, requiring sampling-based gradient…

Computation and Language · Computer Science 2021-09-13 Nuno Miguel Guerreiro , André F. T. Martins

Cardinality estimation is a fundamental task in database systems and plays a critical role in query optimization. Despite significant advances in learning-based cardinality estimation methods, most existing approaches remain difficult to…

Databases · Computer Science 2025-10-10 Xianghong Xu , Rong Kang , Xiao He , Lei Zhang , Jianjun Chen , Tieying Zhang

Syntactic natural language parsers have shown themselves to be inadequate for processing highly-ambiguous large-vocabulary text, as is evidenced by their poor performance on domains like the Wall Street Journal, and by the movement away…

cmp-lg · Computer Science 2008-02-03 David M. Magerman

A new method is proposed in this paper to learn overcomplete dictionary from training data samples. Differing from the current methods that enforce similar sparsity constraint on each of the input samples, the proposed method attempts to…

Data Structures and Algorithms · Computer Science 2013-05-14 Deyu Meng , Yee Leung , Qian Zhao , Zongben Xu

Schema linking -- the process of aligning natural language questions with database schema elements -- is a critical yet underexplored component of Text-to-SQL systems. While recent methods have focused primarily on improving SQL generation,…

Computation and Language · Computer Science 2026-01-28 Md Mahadi Hasan Nahid , Davood Rafiei , Weiwei Zhang , Yong Zhang

Existing text-to-SQL semantic parsers are typically designed for particular settings such as handling queries that span multiple tables, domains or turns which makes them ineffective when applied to different settings. We present UniSAr…

Computation and Language · Computer Science 2022-04-14 Longxu Dou , Yan Gao , Mingyang Pan , Dingzirui Wang , Wanxiang Che , Dechen Zhan , Jian-Guang Lou

The most approaches to Knowledge Base Question Answering are based on semantic parsing. In this paper, we address the problem of learning vector representations for complex semantic parses that consist of multiple entities and relations.…

Computation and Language · Computer Science 2018-08-14 Daniil Sorokin , Iryna Gurevych

Text-to-SQL translation enables non-expert users to query relational databases using natural language, with applications in education and business intelligence. This study evaluates three lightweight transformer models - T5-Small,…

Computation and Language · Computer Science 2025-08-07 Chirag Seth , Utkarsh Singh

We present a memory-based model for context-dependent semantic parsing. Previous approaches focus on enabling the decoder to copy or modify the parse from the previous utterance, assuming there is a dependency between the current and…

Computation and Language · Computer Science 2021-10-15 Parag Jain , Mirella Lapata

Converting natural language queries into SQL queries is a crucial challenge in both industry and academia, aiming to increase access to databases and large-scale applications. This work examines how in-context learning and chain-of-thought…

Databases · Computer Science 2025-09-30 Saumya Chaturvedi , Aman Chadha , Laurent Bindschaedler

Semantic communication, leveraging advanced deep learning techniques, emerges as a new paradigm that meets the requirements of next-generation wireless networks. However, current semantic communication systems, which employ neural coding…

Information Theory · Computer Science 2025-08-20 Hai-Long Qin , Jincheng Dai , Sixian Wang , Xiaoqi Qin , Shuo Shao , Kai Niu , Wenjun Xu , Ping Zhang

Multilingual semantic parsing is a cost-effective method that allows a single model to understand different languages. However, researchers face a great imbalance of availability of training data, with English being resource rich, and other…

Computation and Language · Computer Science 2021-06-15 Menglin Xia , Emilio Monti

We focus on the cross-domain context-dependent text-to-SQL generation task. Based on the observation that adjacent natural language questions are often linguistically dependent and their corresponding SQL queries tend to overlap, we utilize…

Computation and Language · Computer Science 2019-09-11 Rui Zhang , Tao Yu , He Yang Er , Sungrok Shim , Eric Xue , Xi Victoria Lin , Tianze Shi , Caiming Xiong , Richard Socher , Dragomir Radev

In this paper, we propose an extension to Longformer Encoder-Decoder, a popular sparse transformer architecture. One common challenge with sparse transformers is that they can struggle with encoding of long range context, such as…

Computation and Language · Computer Science 2024-10-14 Evan Lucas , Dylan Kangas , Timothy C Havens

The Text-to-SQL task, aiming to translate the natural language of the questions into SQL queries, has drawn much attention recently. One of the most challenging problems of Text-to-SQL is how to generalize the trained model to the unseen…

Computation and Language · Computer Science 2022-01-19 Ruichu Cai , Jinjie Yuan , Boyan Xu , Zhifeng Hao