Results 41 to 50 of about 9,716,171 (155)

Organic materials database: An open-access online database for data mining.

open access: yesPLoS ONE, 2017
We present an organic materials database (OMDB) hosting thousands of Kohn-Sham electronic band structures, which is freely accessible online at http://omdb.diracmaterials.org.
Stanislav S Borysov   +2 more
doaj   +1 more source

Association Rule Extraction from XML Stream Data for Wireless Sensor Networks

open access: yesSensors, 2014
With the advances of wireless sensor networks, they yield massive volumes of disparate, dynamic and geographically-distributed and heterogeneous data.
Juryon Paik   +3 more
doaj   +1 more source

Evaluation of usage patterns for web-based educational systems using web mining [PDF]

open access: yes, 2001
Virtual courses often separate teacher and student physically from one another, resulting in less direct feedback. The evaluation of virtual courses and other computer-supported educational systems is therefore of major importance in order to monitor ...
Donnellan, David, Pahl, Claus
core   +2 more sources

DECIMER.ai: an open platform for automated optical chemical structure identification, segmentation and recognition in scientific publications

open access: yesNature Communications, 2023
The number of publications describing chemical structures has increased steadily over the last decades. However, the majority of published chemical information is currently not available in machine-readable form in public databases.
Kohulan Rajan   +4 more
doaj   +1 more source

Zhovtnevyi granite quarry: history of formation and development prospects

open access: yesProblemi Bezperervnoï Geografìčnoï Osvìti ì Kartografìï, 2021
Today, Kryvyi Rih is the most powerful industrial center not only in Ukraine, but also in Europe. Every year, the extraction of iron ore from the subsoil increases, while turning natural landscapes into anthropogenic ones.
Tetiana Koptieva
doaj   +1 more source

Big Data as the oil of the digital economy [PDF]

open access: yesBIO Web of Conferences
The rapid advancement of the information revolution has profoundly transformed global business and everyday life, placing data at the core of economic growth and innovation.
Butaboev Muxammadjon   +2 more
doaj   +1 more source

Data mining technology for the evaluation of web-based teaching and learning systems [PDF]

open access: yes, 2002
Instructional design for Web-based teaching and learning environments causes problems for two reasons. Firstly, virtual forms of teaching and learning result in little or no direct contact between instructor and learner, making the evaluation of course ...
Donnellan, David, Pahl, Claus
core   +2 more sources

Web text mining method based on subtopic selection and three-level stratified structure

open access: yesDianxin kexue, 2016
As the problem of fuzzy inquiry and data sparseness cased by intention gap between users and queries,according to the ranking list of possible subtopic from popularity and diversity,subtopic selection and sorting of stratified structure were used for web
Yuzhen SHI, Donghong SHAN
doaj   +2 more sources

Information Integration in a Mining Landscape

open access: yesStudies in Digital Heritage, 2017
The integration of information sources is a fundamental step to advance research and knowledge about the ancient mining landscape of Schwaz/Brixlegg in the Tyrol / Austria.
Gerald Hiebel   +4 more
doaj   +1 more source

Scaling up Pattern Induction for Web Relation Extraction through Frequent Itemset Mining [PDF]

open access: yes, 2008
Blohm S, Cimiano P. Scaling up Pattern Induction for Web Relation Extraction through Frequent Itemset Mining. In: Adrian B, Neumann G, Troussov A, Popov B, eds.
Troussov, Alexander   +5 more
core  

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