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Querying structured information sources on the Web

Sergio Mergen, Juliana Freire, Carlos A. Heuser
2010 International Journal of Metadata, Semantics and Ontologies  
We demonstrate the feasibility of this approach by providing a query interface for integrating hundreds of (real) structured Web information sources.  ...  To provide access to heterogeneous data distributed over the Web, we propose a solution that merges the expressiveness of information integration systems with the flexibility found in dataspace-aware search  ...  Our goal is to provide users the ability to query and integrate a large number of structured sources available on the Web on the fly, merging the query expressiveness of data integration systems to the  ... 
doi:10.1504/ijmso.2010.034045 fatcat:xvcg4b5isjgtlbu4gro6z2bsea

An open-source data manager for network models

Stephen Knox, James Tomlinson, Julien J. Harou, Philipp Meier, David E. Rosenberg, Jay R. Lund, David E. Rheinheimer
2019 Environmental Modelling & Software  
A B S T R A C T Developing simulation and optimisation models for resource networks like water or energy systems increasingly involves integrating multiple data sources and software.  ...  We present a data storage platform, written in Python, which exploits the commonality of network representations to store data for multiple model types within a single deployment.  ...  Acknowledgements Support for the software development was partially funded by the UK government through Innovate UK (File Reference number 101338).  ... 
doi:10.1016/j.envsoft.2019.104538 fatcat:adtnfkwl2fbo7mqjnohfwb2rpa

Fast in-database cross-matching of high-cadence, high-density source lists with an up-to-date sky model

B. Scheers, S. Bloemen, H. Mühleisen, P. Schellart, A. van Elteren, M. Kersten, P.J. Groot
2018 Astronomy and Computing  
The goal of this work is to optimise column-oriented database techniques to enable the construction of a full-source and light-curve database for large-scale surveys, that is accessible by the astronomical  ...  Besides inspecting the near real-time data streams for transient and variability events, the accumulated data archive is a wealthy laboratory for making complementary scientific discoveries.  ...  Acknowledgements We would like to thank the referee for the comments and suggestions that improved the paper.  ... 
doi:10.1016/j.ascom.2018.02.006 fatcat:oxmcos3n2jb7rcoryv47m5a7l4

Learning Semantic Definitions of Online Information Sources

M. J. Carman, C. A. Knoblock
2007 The Journal of Artificial Intelligence Research  
The Internet contains a very large number of information sources providing many types of data from weather forecasts to travel deals and financial information.  ...  These sources can be accessed via Web-forms, Web Services, RSS feeds and so on.  ...  The U.S. Government is authorized to reproduce and distribute reports for Governmental purposes notwithstanding any copyright annotation thereon.  ... 
doi:10.1613/jair.2205 fatcat:gc5teekavbfbtgu6kvsg57r2me

A comparison of open source geospatial technologies for web mapping

Andrea Ballatore, Ali Tahir, Gavin McArdle, Michela Bertolotto
2011 International Journal of Web Engineering and Technology  
Within this context, we developed an open source web platform for interoperable GIServices.  ...  This article describes the technologies and reports the results of the survey, providing first-hand information about open source web and geospatial tools.  ...  As with many open source geospatial technologies, OpenLayers implements industry-standard methods for geographic data access, such as the OGC web map service (WMS) and web feature service (WFS) standards  ... 
doi:10.1504/ijwet.2011.043440 fatcat:i2bz3gl5wjglhdvxxkm6w4mbpu

Low-Cost, Extensible and Open Source Home Automation Framework [chapter]

Che Cameron, Kang Li
2018 Communications in Computer and Information Science  
The performance of the system and its data acquisition abilities are reflected upon to suggest future development work.  ...  Details are given on the roles of each component and the functionality achieved by the system -control of central heating, temperature monitoring and finger print based access control.  ...  The hub is responsible for node management, data handling (aggregation, storage and processing) and it integrates a web interface which may be optionally forwarded to the WAN for remote access.  ... 
doi:10.1007/978-981-13-2384-3_38 fatcat:eztq7n25evhzpm5h5ibygbrceq

Getting More Out of Biomedical Documents with GATE's Full Lifecycle Open Source Text Analytics

Hamish Cunningham, Valentin Tablan, Angus Roberts, Kalina Bontcheva, Andreas Prlic
2013 PLoS Computational Biology  
We conclude that the deployment of text mining for document abstraction or rich search and navigation is best thought of as a process, and that with the right computational tools and data collection strategies  ...  This software article describes the GATE family of open source text analysis tools and processes.  ...  Acknowledgments Several hundred people have contributed to the software and thousands have contributed bug reports, documentation fixes, etc. Thanks! Author Contributions  ... 
doi:10.1371/journal.pcbi.1002854 pmid:23408875 pmcid:PMC3567135 fatcat:34bk5dpu7bbefledifc6nnqlai

From IFC to 3D Tiles: An Integrated Open-Source Solution for Visualising BIMs on Cesium

Yiqun Chen, Erfan Shooraj, Abbas Rajabifard, Soheil Sabri
2018 ISPRS International Journal of Geo-Information  
an open-source solution for the community.  ...  As no open-source solution for converting IFC models into 3D Tiles for online visualization had yet been found, this paper explores feasible approaches and integrates a range of tools and libraries as  ...  A number of files within the sample generator library were modified to enable BIM and keep the 3D models intact. The source code is available on Github for more details.  ... 
doi:10.3390/ijgi7100393 fatcat:rrrv7554o5dlve6cjuvdfbu7qa

Industrial open source solutions for product life cycle management

Jaime Campos, Juha Kortelainen, Erkki Jantunen, Zude Zhou
2014 Cogent Engineering  
The characteristics of the open source solutions are highlighted as well. Next, the authors go through the requirements for PLM.  ...  The potential of applying semantic data management to solve these problems discussed in the light of recent developments.  ...  Funding This research was supported by the project Computational methods in mechanical engineering product development (SIMPRO), funded by Tekes-the Finnish Funding Agency for Innovation and the participating  ... 
doi:10.1080/23311916.2014.939737 fatcat:z2z7rpknbjck3j5qaa6hzve5um

An open-source integrated framework for the automation of citation collection and screening in systematic reviews [article]

Angelo D'Ambrosio, Hajo Grundmann, Tjibbe Donker
2022 arXiv   pre-print
We introduce a new open-source framework for systematic reviews that significantly reduces time and workload for collecting and screening scientific literature.  ...  citation data sets.  ...  number of relevant search results while minimising the total number of records to be reviewed.  ... 
arXiv:2202.10033v2 fatcat:mipfs3degjgyponwhe57jjfxlm

Adaptive Integration of Distributed Semantic Web Data [chapter]

Steven Lynden, Isao Kojima, Akiyoshi Matono, Yusuke Tanimura
2010 Lecture Notes in Computer Science  
RDF data embedded in Web pages may be indexed using semantic search engines, however, RDF data is often stored in databases, accessible via Web Services using the SPARQL query language for RDF, which form  ...  The use of RDF (Resource Description Framework) data is a cornerstone of the Semantic Web.  ...  Acknowledgments This work was supported by the Strategic Information and Communications R&D Promotion Programme (SCOPE) of the Ministry of Internal Affairs and Communications (MIC), Japan.  ... 
doi:10.1007/978-3-642-12038-1_12 fatcat:vy5tef7d4rhwtmgf2orpfifcsi

Utility and potential of rapid epidemic intelligence from internet-based sources

S.J. Yan, A.A. Chughtai, C.R. Macintyre
2017 International Journal of Infectious Diseases  
Increasing volumes of data on the Internet have prompted interest in methods that could use unstructured sources to enhance traditional disease surveillance and gain rapid epidemic intelligence.  ...  We aimed to summarise Internet-based methods that use freely-accessible, unstructured data for epidemic surveillance and explore their timeliness and accuracy outcomes.  ...  Local search query data produced a signal for the onset of the norovirus season 2-3 weeks earlier than laboratory notification data (Edelstein et al., 2014) .  ... 
doi:10.1016/j.ijid.2017.07.020 pmid:28765076 fatcat:ha6gnba4fzcphlcz2sggf32yyq

Optimising Mediator Queries to Distributed Engineering Systems [chapter]

Mattias Nyström, Tore Risch
2004 Lecture Notes in Computer Science  
Dynamic query re-optimisation taking into account what data is currently materialised in the mediator substantially improves the performance compared to static optimisation, despite the added optimisation  ...  Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol.  ...  To access data from external data sources the mediator contains a wrapper for each kind of source.  ... 
doi:10.1007/978-3-540-24571-1_43 fatcat:eqbprw35dfbitpk7lyjkifgaxy

LHD: Optimising Linked Data Query Processing Using Parallelisation

Xin Wang, Thanassis Tiropanis, Hugh C. Davis
2013 The Web Conference  
The high data traffic cost and response time significantly affect the performance of distributed SPARQL queries as the number of SPARQL end point and the volume of data at each endpoint increase.  ...  In the past few years as large volume of Linked Data has been published, and processing distributed SPARQL queries over the Linked Data cloud is becoming increasingly challenging.  ...  The number of threads of each data source is set with respect to the capability of and the connection to the data source.  ... 
dblp:conf/www/WangTD13 fatcat:vhbguup7m5avxarh5oe3nljq3i

Towards distributed processing of RDF path queries

Heiner Stuckenschmidt, Richard Vdovjak, Jeen Broekstra, Geert Jan Houben
2005 International Journal of Web Engineering and Technology  
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development.  ...  We discuss the implications of our architecture and propose an index structure as well as algorithms for query processing and optimisation in such a distributed context.  ...  In terms of optimisation we want to experiment with join-capable sources, which would allow for true distributed optimisation including query execution parallelising and data transfer minimisation.  ... 
doi:10.1504/ijwet.2005.008484 fatcat:c5nun2piebcrzda4bylrndxocm
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