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相关论文: Mragyati : A System for Keyword-based Searching in…

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Exploratory search aims to guide users through a corpus rather than pinpointing exact information. We propose an exploratory search system based on hierarchical clusters and document summaries using sentence embeddings. With sentence…

计算与语言 · 计算机科学 2020-07-23 Austin Silveria

While question-like queries are gaining popularity and search engines' users increasingly adopt them, keyphrase search has traditionally been the cornerstone of web search. This query type is also prevalent in specialised search tasks such…

信息检索 · 计算机科学 2024-12-05 Jorge Gabín , Javier Parapar , Craig Macdonald

Our work addresses the challenges of understanding tables. Existing methods often struggle with the unpredictable nature of table content, leading to a reliance on preprocessing and keyword matching. They also face limitations due to the…

计算与语言 · 计算机科学 2025-08-26 Thi-Nhung Nguyen , Hoang Ngo , Dinh Phung , Thuy-Trang Vu , Dat Quoc Nguyen

RDF (Resource Description Framework) is a standard language to represent graph databases. Query languages for RDF databases usually include primitives to support path queries, linking pairs of vertices of the graph that are connected by a…

数据库 · 计算机科学 2020-04-08 Ciro M. Medeiros , Martin A. Musicante , Umberto S. Costa

By incorporating human workers into the query execution process crowd-enabled databases facilitate intelligent, social capabilities like completing missing data at query time or performing cognitive operators. But despite all their…

数据库 · 计算机科学 2015-03-20 Joachim Selke , Christoph Lofi , Wolf-Tilo Balke

This paper focuses on a domain expert querying system over databases. It presents a solution designed for a French enterprise interested in offering a natural language interface for its clients. The approach, based on entity enrichment,…

计算与语言 · 计算机科学 2024-10-22 Joshua Amavi , Mirian Halfeld Ferrari , Nicolas Hiot

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…

数据库 · 计算机科学 2025-10-10 Xianghong Xu , Rong Kang , Xiao He , Lei Zhang , Jianjun Chen , Tieying Zhang

The rapid growth of web has resulted in vast volume of information. Information availability at a rapid speed to the user is vital. English language (or any for that matter) has lot of ambiguity in the usage of words. So there is no…

信息检索 · 计算机科学 2011-08-30 Jeevan H E , Prashanth P P , Punith Kumar S N , Vinay Hegde

This paper highlights the growing importance of information retrieval (IR) engines in the scientific community, addressing the inefficiency of traditional keyword-based search engines due to the rising volume of publications. The proposed…

信息检索 · 计算机科学 2024-10-24 Mahsa Shamsabadi , Jennifer D'Souza

Large enterprise databases can be complex and messy, obscuring the data semantics needed for analytical tasks. We propose a semantic layer in-between the database and the user as a set of small and easy-to-interpret database views,…

数据库 · 计算机科学 2024-12-12 Agapi Rissaki , Ilias Fountalis , Nikolaos Vasiloglou , Wolfgang Gatterbauer

The ranked retrieval model has rapidly become the de-facto way for search query processing in web databases. Despite the extensive efforts on designing better ranking mechanisms, in practice, many such databases fail to address the diverse…

数据库 · 计算机科学 2018-07-17 Yeshwanth D. Gunasekaran , Abolfazl Asudeh , Sona Hasani , Nan Zhang , Ali Jaoua , Gautam Das

Deep Web databases contain more than 90% of pertinent information of the Web. Despite their importance, users don't profit of this treasury. Many deep web services are offering competitive services in term of prices, quality of service, and…

信息检索 · 计算机科学 2012-05-07 Radhouane Boughamoura , Lobna Hlaoua , Mohamed Nazih Omri

A search query consists of several words. In a proximity full-text search, we want to find documents that contain these words near each other. This task requires much time when the query consists of high-frequently occurring words. If we…

信息检索 · 计算机科学 2020-09-08 Alexander B. Veretennikov

This paper presents a novel approach based on semantic parsing to improve the performance of Knowledge Base Question Answering (KBQA). Specifically, we focus on how to select an optimal query graph from a candidate set so as to retrieve the…

计算与语言 · 计算机科学 2022-04-28 Yonghui Jia , Wenliang Chen

Search engines based on keyword retrieval can no longer adapt to the way of information acquisition in the era of intelligent Internet of Things due to the return of keyword related Internet pages. How to quickly, accurately and effectively…

计算与语言 · 计算机科学 2022-01-03 Gaochen Wu , Bin Xu , Yuxin Qin , Yang Liu , Lingyu Liu , Ziwei Wang

While keyword query empowers ordinary users to search vast amount of data, the ambiguity of keyword query makes it difficult to effectively answer keyword queries, especially for short and vague keyword queries. To address this challenging…

数据库 · 计算机科学 2013-01-14 Jianxin Li , Chengfei Liu , Liang Yao , Jeffrey Xu Yu

The graph database (GDB) is an increasingly common storage model for data involving relationships between entries. Beyond its widespread usage in database industries, the advantages of GDBs indicate a strong potential in constructing…

数据库 · 计算机科学 2025-11-17 Yanjun Yang , Adrian Wheeldon , Yihan Pan , Themis Prodromakis , Alex Serb

Nowadays, scientific databases have become the bread-and-butter of particle physicists. These databases must be maintained and checked repeatedly to insure the accuracy of their content. The COMPETE collaboration aims at motivating data…

Sorting is a fundamental computational process, which facilitates subsequent searching of a database. It can be thought of as factorisation of the search process. The location of a desired item in a sorted database can be found by classical…

量子物理 · 物理学 2009-11-06 Apoorva Patel

The Paraphrase Database (PPDB; Ganitkevitch et al., 2013) is an extensive semantic resource, consisting of a list of phrase pairs with (heuristic) confidence estimates. However, it is still unclear how it can best be used, due to the…

计算与语言 · 计算机科学 2015-08-28 John Wieting , Mohit Bansal , Kevin Gimpel , Karen Livescu , Dan Roth