Browsing Tetherless World Publications by Author "Ma, Xiaogang"
Now showing items 21-34 of 34
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Language and Domain Independent Entity Linking with Quantified Collective Validation
Wang, Han; Zheng, Jin; Ma, Xiaogang; Fox, Peter; Ji, Heng (2015-09-17)Linking named mentions detected in a source document to an existing knowl- edge base provides disambiguated entity referents for the mentions. This allows better document analysis, knowledge ex- traction and knowledge base ... -
Metadata hierarchy in integrated geoscientific database for regional mineral prospecting
Ma, Xiaogang (Geo-spatial Information Science, 2007-09-01) -
Ontology Dynamics in a Data Life Cycle: Challenges and Recommendations from a Geoscience Perspective
Ma, Xiaogang; Fox, Peter; Rozell, Eric; West, Patrick; Zednik, Stephan (Journal of Earth Science, 2014-04-01)Ontologies are increasingly deployed as a computer-accessible representation of key semantics in various parts of a data life cycle and, thus, ontology dynamics may pose challenges to data management and re-use. By using ... -
Ontology engineering in provenance enablement for the National Climate Assessment
Ma, Xiaogang; Zheng, Jin; Goldstein, Justin; Zednik, Stephan; Fu, Linyun; Duggan, Brian; Aulenbach, Steven; West, Patrick; Tilmes, Curt; Fox, Peter (Environmental Modelling and Software, 2014-08-28)The National Climate Assessment of the U.S. Global Change Research Program (USGCRP) analyzes and presents the impacts of climate change on the United States. The provenance information in the assessment is important because ... -
Ontology Usability Scale: Context-aware metrics for the effectiveness, efficiency and satisfaction of ontology uses
Ma, Xiaogang; Fu, L.; West, Patrick; Fox, Peter (2018-04-06) -
Parallel indexing technique for spatio-temporal data
Ma, Xiaogang (ISPRS Journal of Photogrammetry and Remote Sensing, 2013-04-01) -
Provenance Representation for the National Climate Assessment in the Global Change Information System
Tilmes, Curt; Fox, Peter; Ma, Xiaogang; McGuinness, Deborah L.; Privette, Ana; Smith, Aaron; Waple, Anne; Zednik, Stephan; Zheng, Jin (IEEE Transactions on Geoscience and Remote Sensing, 2013-07-12)The important topic of global climate change builds on a huge collection of scientific research. It is common for agencies releasing climate change information to be served with requests for all supporting materials resulting ... -
Recent progress on geologic time ontologies and considerations for future works
Ma, Xiaogang; Fox, Peter (Earth Science Informatics, 2013-02-09)Semantic Web technologies bring innovative ideas to computer applications in geoscience. As an essential part of the Semantic Web, ontologies are increasingly discussed in the geoscience community, in which geologic time ... -
SEM+: tool for discovering concept mapping in Earth science related domain
Zheng, Jin Guang; Fu, Linyun; Ma, Xiaogang; Fox, Peter (Springer, 2015)The amount of Earth Science related domain concepts and vocabularies encoded in popular Semantic Web languages such as OWL and SKOS grows rapidly as more and more domain scientists realize the power of Semantic Web ... -
Semantic Similarity Computation and Concept Mapping in Earth and Environmental Science
Zheng, Jin; Ma, Xiaogang; Fox, Peter (2013-12-04)Ontologies have been widely adopted and used by Earth and Environmental Science community to capture and represent knowledge in the domain. One of the major problems that prevent us to combine and reuse these ontologies ... -
The Deep-Time Digital Earth program: data-driven discovery in geosciences
Wang, C.; Hazen, Robert; Cheng, Q.; Stephenson, MH.; Zhou, C.; Fox, Peter; Shen, SZ.; Oberhänsli, R.; Hou, Z.; Ma, Xiaogang; Feng, Z.; Fan, J.; Ma, C.; Hu, X.; Luo, B.; Wang, J.; Schiffries, CM. (National Science Review, 2021-02-11)Current barriers hindering data-driven discoveries in deep-time Earth (DE) include: substantial volumes of DE data are not digitized; many DE databases do not adhere to FAIR (findable, accessible, interoperable and reusable) ... -
Visualizing Complex Environments in the Geo- and Bio Sciences
Prabhu, Anirudh; Fox, Peter; Zhong, H.; Eleish, Ahmed; Ma, Xiaogang; Zednik, Stefan; Morrison, S.M.; Moore, E.; Muscente, D.; Meyer, M.; Hazen, Robert (AGU, 2017-01-01) -
Weaving a Knowledge Network for Deep Carbon Science
Ma, Xiaogang; West, Patrick; Zednik, Stephan; Erickson, John S.; Eleish, Ahmed; Chen, Yanning; Wang, Han; Zhong, Hao; Fox, Peter (Frontiers in Earth Science, 2017-05-15)Geoscience researchers are increasingly dependent on informatics and the Web to conduct their research. Geoscience is one of the first domains that take lead in initiatives such as open data, open code, open access, and ...