Výsledky vyhľadávania - "Information systems Information systems applications Data mining"

Tracking food insecurity from tweets using data mining techniques Autor Lukyamuzi, Andrew, Ngubiri, John, Okori, Washington

“…Data mining algorithms can be applied to extract useful patterns from social media conversations to monitor disasters such as tsunami, earth quakes and nuclear…”
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References of References: How Far is the Knowledge Ancestry Autor Min, Chao, Xu, Jiawei, Han, Tao, Bu, Yi

“… Two sub-fields in Physics are subject to such analysis on a large-scale citation network…”
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Shared Feelings: Understanding Facebook Reactions to Scholarly Articles Autor Freeman, Cole, Roy, Mrinal Kanti, Fattoruso, Michele, Alhoori, Hamed

“…Research on social-media platforms has tended to rely on textual analysis to perform research tasks. While text-based approaches have significantly increased…”
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Mining Semantic Relations in Data References to Understand the Roles of Research Data in Academic Literature Autor Fan, Lizhou, Lafia, Sara, Wofford, Morgan, Thomer, Andrea, Yakel, Elizabeth, Hemphill, Libby

“…). After retrieving and extracting semantic relations as subject-relation-object triples, we used rule-based methods…”
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Multi-Source Learning for Joint Analysis of Incomplete Multi-Modality Neuroimaging Data Autor Yuan, Lei, Wang, Yalin, Thompson, Paul M, Narayan, Vaibhav A, Ye, Jieping

“… In the Alzheimer's Disease Neuroimaging Initiative (ADNI), for example, over half of the subjects lack cerebrospinal fluid (CSF) measurements…”
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Multi-Objective Influence Maximization Under Varying-Size Solutions and Constraints Autor Biswas, Tarun K., Abbasi, Alireza, Chakrabortty, Ripon K.

“…Identification of a set of influential spreaders in a network, called the Influence Maximization (IM) problem, has gained much popularity due to its immense…”
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Garbage, Glitter, or Gold: Assigning Multi-Dimensional Quality Scores to Social Media Seeds for Web Archive Collections Autor Nwala, Alexander C., Weigle, Michele C., Nelson, Michael L.

“…From popular uprisings to pandemics, the Web is an essential source consulted by scientists and historians for reconstructing and studying past events…”
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Mining personal media thresholds for opinion dynamics and social influence Autor Doyle, Casey, Meandzija, Alex, Korniss, Gyorgy, Szymanski, Boleslaw, Asher, Derrik, Bowman, Elizabeth

“… before forming or changing their opinion on a subject. We then use frequent pattern mining to analyze the data for common groupings of responses with respect to various media types, sources, and contexts…”
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Prediction of Symptom-Disease Links in Online Health Forums Autor Gündoğan, Esra, Kaya, Buket, Kaya, Mehmet

“… One of the most interesting subjects of social network analysis is link prediction. It estimates potential future connections by using the current state of the network…”
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DIVa: Decentralized identity validation for social networks Autor Soliman, Amira, Bahri, Leila, Carminati, Barbara, Ferrari, Elena, Girdzijauskas, Sarunas

“… However, such convenience comes at the price of making legitimate users subject to different threats created by fake accounts…”
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Collective classification in social networks Autor Jaafor, Omar, Birregah, Babiga

“…Classification is one of the most studied subjects in machine learning. Most classification methods that were developed this last decade either account for structure…”
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Brain Effective Connectivity Modeling for Alzheimer's Disease by Sparse Gaussian Bayesian Network Autor Huang, Shuai, Li, Jing, Ye, Jieping, Fleisher, Adam, Chen, Kewei, Wu, Teresa, Reiman, Eric

“…Recent studies have shown that Alzheimer's disease (AD) is related to alteration in brain connectivity networks. One type of connectivity, called effective…”
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A Twitter-based smoking cessation recruitment system Autor Hamed, Ahmed Abdeen, Xindong Wu, Fingar, James R.

“…Digital recruitment is increasingly becoming a popular avenue for identifying human subjects for various studies…”
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7 Rights of Individuation: The Need for Greater Protection of Individual Rights in Big Data Autor Sampson, Fraser

“… Specifically, it proposes in detail specific individual rights of data subjects that might not be sufficiently protected in relation to the use of Big Data…”
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Identifying Influential Bloggers: Time Does Matter Autor Akritidis, Leonidas, Katsaros, Dimitrios, Bozanis, Panayiotis

“… and knowledge about a product, an event and every subject of general or specific interest. More users visit blogs to read these posts and comment…”
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Enhancing Web Search Using Query-Based Clusters and Labels Autor Qumsiyeh, Rani, Yiu-Kai Ng

“…Current web search engines, such as Google, Bing, and Yahoo!, rank the set of documents S retrieved in response to a user query and display the URL of each…”
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"All You Can Eat" Ontology-Building: Feeding Wikipedia to Cyc Autor Sarjant, Samuel, Legg, Catherine, Robinson, Michael, Medelyan, Olena

“… Evaluation with 22 human subjects shows high precision both for the new concepts’ categorization, and their assignment as individuals or collections…”
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Comparison of Model-Based Learning Methods for Feature-Level Opinion Mining Autor Luole Qi, Li Chen

“… methods on this subject, but few attentions have been paid to applying more discriminative learning models to achieve the goal…”
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Semantic Web Usage Mining by a Concept-Based Approach for Off-line Web Site Enhancements Autor Ríos, Sebastián A., Velásquez, Juan D.

“…Todays' WUM techniques allow to perform the mining process based on lists of words, stems, and visitors' sessions. Although, results are (generally) far from…”
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Automatic Taxonomy Extraction Using Google and Term Dependency Autor Makrehchi, Masoud, Kamel, Mohamed S.

“…An automatic taxonomy extraction algorithm is proposed. Given a set of terms or terminology related to a subject domain, the proposed approach uses Google page count to estimate the dependency links between the terms…”
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