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A lot of advances in the processing of XML data have been proposed in last two decades. There were many approaches focused on the efficient processing of twig pattern queries (TPQ). However, including the TPQ into an XQuery compiler is not…

Databases · Computer Science 2019-03-15 Petr Lukáš , Radim Bača , Michal Krátký

Table Question Answering (TQA) aims to answer natural language questions over structured tables. Large Language Models (LLMs) enable promising solutions to this problem, with operator-centric solutions that generate table manipulation…

Databases · Computer Science 2026-04-02 Fengyu Li , Junhao Zhu , Kaishi Song , Lu Chen , Zhongming Yao , Tianyi Li , Christian S. Jensen

Large Language Models (LLMs) have emerged as a promising solution for converting natural language queries into SQL commands, enabling seamless database interaction. However, these Text-to-SQL (Text2SQL) systems face inherent limitations,…

Information Retrieval · Computer Science 2025-03-25 Prakhar Gurawa , Anjali Dharmik

Large language models (LLMs) have demonstrated strong performance in natural language generation but remain limited in knowle- dge-intensive tasks due to outdated or incomplete internal knowledge. Retrieval-Augmented Generation (RAG)…

Artificial Intelligence · Computer Science 2025-08-05 Dong Li , Yichen Niu , Ying Ai , Xiang Zou , Biqing Qi , Jianxing Liu

Test-time compute can be scaled both sequentially and in parallel. Sequential scaling involves lengthening the generation process, while parallel scaling involves verifying and selecting among multiple candidate outputs. Combining these two…

Artificial Intelligence · Computer Science 2025-10-08 Weihao Zeng , Keqing He , Chuqiao Kuang , Xiaoguang Li , Junxian He

The rapid evolution of communication technologies has led to an explosion of standards, rendering traditional expert-dependent consultation methods inefficient and slow. To address this challenge, we propose \textbf{KG2QA}, a question…

Computation and Language · Computer Science 2025-10-16 Zhongze Luo , Weixuan Wan , Tianya Zhang , Dan Wang , Xiaoying Tang

Temporal Knowledge Graph Question Answering (TKGQA) is challenging because it requires multi-hop reasoning under complex temporal constraints. Recent LLM-based approaches have improved semantic modeling for this task, but many still rely on…

Computation and Language · Computer Science 2026-03-26 Xufei Lv , Jiahui Yang , Haoyuan Sun , Xialin Su , Zhiliang Tian , Yifu Gao , Linbo Qiao , Houde Liu

Recent advancements in large language models (LLMs) have significantly advanced text-to-SQL systems. However, most LLM-based methods often narrowly focus on SQL generation, neglecting the complexities of real-world conversational queries.…

Computation and Language · Computer Science 2025-04-09 Ziming Guo , Chao Ma , Yinggang Sun , Tiancheng Zhao , Guangyao Wang , Hai Huang

Quantum computing has emerged as a promising domain for the machine learning (ML) area, offering significant computational advantages over classical counterparts. With the growing interest in quantum machine learning (QML), ensuring the…

Software Engineering · Computer Science 2023-06-23 Pengzhan Zhao , Xiongfei Wu , Junjie Luo , Zhuo Li , Jianjun Zhao

Augmenting Large Language Models (LLMs) for Question Answering (QA) with domain specific data has attracted wide attention. However, domain data often exists in a hybrid format, including text and semi-structured tables, posing challenges…

Computation and Language · Computer Science 2024-04-10 Dehai Min , Nan Hu , Rihui Jin , Nuo Lin , Jiaoyan Chen , Yongrui Chen , Yu Li , Guilin Qi , Yun Li , Nijun Li , Qianren Wang

Text-to-SQL prompt strategies based on Large Language Models (LLMs) achieve remarkable performance on well-known benchmarks. However, when applied to real-world databases, their performance is significantly less than for these benchmarks,…

Fuzzing is widely used for detecting bugs and vulnerabilities, with various techniques proposed to enhance its effectiveness. To combine the advantages of multiple technologies, researchers proposed ensemble fuzzing, which integrates…

Software Engineering · Computer Science 2025-07-31 Yukai Zhao , Shaohua Wang , Jue Wang , Xing Hu , Xin Xia

The integration of heterogeneous databases into a unified querying framework remains a critical challenge, particularly in resource-constrained environments. This paper presents a novel Small Language Model(SLM)-driven system that…

Databases · Computer Science 2025-05-27 Teng Lin

Knowledge base question answering (KBQA) aims to answer user questions in natural language using rich human knowledge stored in large KBs. As current KBQA methods struggle with unseen knowledge base elements at test time,we introduce…

Computation and Language · Computer Science 2025-09-11 Shengxiang Gao , Jey Han Lau , Jianzhong Qi

Modern database management systems (DBMSs) expose hundreds of configuration knobs that critically influence performance. Existing automated tuning methods either adopt a data-driven paradigm, which incurs substantial overhead, or rely on…

Time-series Generation (TSG) is a prominent research area with broad applications in simulations, data augmentation, and counterfactual analysis. While existing methods have shown promise in unconditional single-domain TSG, real-world…

Machine Learning · Computer Science 2025-09-08 Hao Li , Yu-Hao Huang , Chang Xu , Viktor Schlegel , Renhe Jiang , Riza Batista-Navarro , Goran Nenadic , Jiang Bian

LLM-based mutation testing is a promising testing technology, but existing approaches typically rely on a fixed set of mutations as few-shot examples or none at all. This can result in generic low-quality mutations, missed context-specific…

Software Engineering · Computer Science 2026-03-26 Bo Wang , Ming Deng , Mingda Chen , Chengran Yang , Youfang Lin , Mark Harman , Mike Papadakis , Jie M. Zhang

With the advancement of large language models (LLMs), diverse time series analysis tasks are reformulated as time series question answering (TSQA) through a unified natural language interface. However, existing LLM-based approaches largely…

Computation and Language · Computer Science 2025-12-30 Chen Su , Yuanhe Tian , Yan Song

Graph Retrieval-Augmented Generation (Graph RAG) effectively builds a knowledge graph (KG) to connect disparate facts across a large document corpus. However, this broad-view approach often lacks the deep structured reasoning needed for…

Computation and Language · Computer Science 2025-10-27 Jiaoyang Li , Junhao Ruan , Shengwei Tang , Saihan Chen , Kaiyan Chang , Yuan Ge , Tong Xiao , Jingbo Zhu

Question Answering over Tabular Data (Table QA) presents unique challenges due to the diverse structure, size, and data types of real-world tables. The SemEval 2025 Task 8 (DataBench) introduced a benchmark composed of large-scale,…

Computation and Language · Computer Science 2025-09-12 Rishit Tyagi , Mohit Gupta , Rahul Bouri