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Approximate Bayesian computation (ABC) is a family of computational techniques in Bayesian statistics. These techniques allow to fi t a model to data without relying on the computation of the model likelihood. They instead require to…

Statistics Theory · Mathematics 2018-12-27 Maxime Lenormand , Franck Jabot , Guillaume Deffuant

CQA services are valuable sources of knowledge that can be used to find answers to users' information needs. In these services, question retrieval aims to help users with their information needs by finding similar questions to theirs.…

Information Retrieval · Computer Science 2024-11-26 Yasin Ghafourian , Sajad Movahedi , Azadeh Shakery

Traditional data systems require specialized technical skills where users need to understand the data organization and write precise queries to access data. Therefore, novice users who lack technical expertise face hurdles in perusing and…

Human-Computer Interaction · Computer Science 2021-01-05 Anna Fariha , Lucy Cousins , Narges Mahyar , Alexandra Meliou

This paper envisions a quantum database (Qute) that treats quantum computation as a first-class execution option. Unlike prior simulation-based methods that either run quantum algorithms on classical machines or adapt existing databases for…

Databases · Computer Science 2026-02-17 Muzhi Chen , Xuanhe Zhou , Wei Zhou , Bangrui Xu , Surui Tang , Guoliang Li , Bingsheng He , Yeye He , Yitong Song , Fan Wu

We consider approximate dynamic programming in $\gamma$-discounted Markov decision processes and apply it to approximate planning with linear value-function approximation. Our first contribution is a new variant of Approximate Policy…

Machine Learning · Computer Science 2022-10-31 Gellért Weisz , András György , Tadashi Kozuno , Csaba Szepesvári

Vector search, the task of finding the k-nearest neighbors of a query vector against a database of high-dimensional vectors, underpins many machine learning applications, including retrieval-augmented generation, recommendation systems, and…

Knowledge Base Question Answering (KBQA) aims to answer natural language questions with the help of an external knowledge base. The core idea is to find the link between the internal knowledge behind questions and known triples of the…

Computation and Language · Computer Science 2022-05-03 Hanyu Zhao , Sha Yuan , Jiahong Leng , Xiang Pan , Guoqiang Wang , Ledell Wu , Jie Tang

LCM is an algorithm for enumeration of frequent closed itemsets in transaction databases. It is well known that when we ignore the required frequency, the closed itemsets are exactly intents of formal concepts in Formal Concept Analysis…

Data Structures and Algorithms · Computer Science 2021-01-25 Radek Janostik , Jan Konecny , Petr Krajča

Community Question Answering (CQA) has gained increasing popularity in many domains. Mortgage is a complex and dynamic industry, and a flexible and efficient CQA platform can potentially enhance the quality of service for mortgage officers…

Information Retrieval · Computer Science 2022-03-15 Amir Reza Rahmani , Linwei Li , Brian Vanover , Colin Bertrand , Shourabh Rawat

Query auto completion (QAC) systems are a standard part of search engines in industry, helping users formulate their query. Such systems update their suggestions after the user types each character, predicting the user's intent using…

Computation and Language · Computer Science 2018-05-10 Nicolas Fiorini , Zhiyong Lu

Formal query building is an important part of complex question answering over knowledge bases. It aims to build correct executable queries for questions. Recent methods try to rank candidate queries generated by a state-transition strategy.…

Computation and Language · Computer Science 2021-09-09 Yongrui Chen , Huiying Li , Yuncheng Hua , Guilin Qi

In this paper we give a quantum mechanical algorithm that can search a database by a single query, when the number of solutions is more than a quarter. It utilizes modified Grover operator of arbitrary phase.

Quantum Physics · Physics 2007-05-23 Dong Pyo Chi , Jinsoo Kim

Many databases on the web are "hidden" behind (i.e., accessible only through) their restrictive, form-like, search interfaces. Recent studies have shown that it is possible to estimate aggregate query answers over such hidden web databases…

Databases · Computer Science 2014-05-02 Weimo Liu , Saravanan Thirumuruganathan , Nan Zhang , Gautam Das

We show enough evidence that a structured version of Adiabatic Quantum Computation (AQC) is efficient for most satisfiability problems. More precisely, when the success probability is fixed beforehand, the computational resources grow…

Quantum Physics · Physics 2008-12-10 Juan Jose Garcia-Ripoll , Mari Carmen Bañuls

The growing complexity of software systems as well as changing conditions in their operating environment demand systems that are more flexible, adaptive and dependable. The service-oriented computing paradigm is in widespread use to support…

Software Engineering · Computer Science 2010-11-12 Jorge Fox

Due to the distribution of linked data across the web, the methods that process federated queries through a distributed approach are more attractive to the users and have gained more prosperity. In distributed processing of federated…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-20 Amin Beiranvand , Nasser Ghadiri

Databases are an essential component of modern computing infrastructures and allow efficient manipulation of inherently structured data. The structure depends on the type and relationships of the individual data elements and on the access…

Quantum Physics · Physics 2025-02-13 Carla Rieger , Michele Grossi , Gian Giacomo Guerreschi , Sofia Vallecorsa , Martin Werner

Fully-partitioned fixed-priority scheduling (FP-FPS) multiprocessor systems are widely found in real-time applications, where spin-based protocols are often deployed to manage the mutually exclusive access of shared resources.…

Operating Systems · Computer Science 2024-08-28 Shuai Zhao , Hanzhi Xu , Nan Chen , Ruoxian Su , Wanli Chang

With the introduction of deep learning models, semantic parsingbased knowledge base question answering (KBQA) systems have achieved high performance in handling complex questions. However, most existing approaches primarily focus on…

Computation and Language · Computer Science 2023-08-10 Yirui Zhan , Yanzeng Li , Minhao Zhang , Lei Zou

We address the problem of checking query containment, a foundational problem in database research. Although extensively studied in theory research, optimization opportunities arising from query containment are not fully leveraged in…

Databases · Computer Science 2026-03-17 Luisa Gerlach , Tobias Köppl , René Zander , Nicole Schweikardt , Stefanie Scherzinger