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Article
Open AccessKnowledge graph embedding methods for entity alignment: experimental review
In recent years, we have witnessed the proliferation of knowledge graphs (KG) in various domains, aiming to support applications like question answering, recommendations, etc. A frequent task when integrating ...
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Article
A meta-level analysis of online anomaly detectors
Real-time detection of anomalies in streaming data is receiving increasing attention as it allows us to raise alerts, predict faults, and detect intrusions or threats across industries. Yet, little attention h...
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Chapter and Conference Paper
Structural Bias in Knowledge Graphs for the Entity Alignment Task
Knowledge Graphs (KGs) have recently gained attention for representing knowledge about a particular domain and play a central role in a multitude of AI tasks like recommendations and query answering. Recent wo...
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Article
Open AccessA greedy feature selection algorithm for Big Data of high dimensionality
We present the Parallel, Forward–Backward with Pruning (PFBP) algorithm for feature selection (FS) for Big Data of high dimensionality. PFBP partitions the data matrix both in terms of rows as well as columns. By...
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Reference Work Entry In depth
Resource Description Framework (RDF) Schema (RDFS)
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Reference Work Entry In depth
Temporal Analytics in Social Media
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Chapter and Conference Paper
Narrowing the Gap Between QoS Metrics and Web QoE Using Above-the-fold Metrics
Page load time (PLT) is still the most common application Quality of Service (QoS) metric to estimate the Quality of Experience (QoE) of Web users . Yet, recent literature abounds with proposals for alternativ...
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Living Reference Work Entry In depth
Temporal Analytics in Social Media
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Chapter and Conference Paper
Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings
Web tables constitute valuable sources of information for various applications, ranging from Web search to Knowledge Base (KB) augmentation. An underlying common requirement is to annotate the rows of Web tabl...
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Article
Content-Based Publish/Subscribe System for Web Syndication
Content syndication has become a popular way for timely delivery of frequently updated information on the Web. Today, web syndication technologies such as RSS or Atom are used in a wide variety of applications...
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Living Reference Work Entry In depth
Resource Description Framework (RDF) Schema (RDFS)
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Chapter
Conclusions
Although Entity Resolution (ER) has been studied for more than three decades in different computer science communities, it still remains an active area of research. The problem has enjoyed a renaissance during...
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Book
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Chapter
Matching and Resolving Entities
As we have seen in Chapter 1, an increasing number of real-world entities are described by a multitude of Knowledge Bases (KBs) published in the Web of data. These descriptions may provide partial, overlapping, a...
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Chapter
Iterative Entity Resolution
As we have seen in Chapter 2.1, to minimize the number of missed matches, an iterative entity resolution (ER) process can progressively exploit any intermediate results of blocking and matching, discovering ne...
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Chapter
Web of Data: Describing and Linking Entities
The Web bears the potential of being a universal source of knowledge used to answer questions, retrieve facts, solve problems, or create new knowledge. Many major scientific discoveries have been made possible...
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Chapter
Blocking
As we have seen in Chapter 2.1, grouping entity descriptions in blocks before comparing them for matching is an important pre-processing step for pruning the quadratic number of comparisons required to resolve...
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Chapter
Experimental Evaluation of Blocking Algorithms
In this chapter, we present the experimental framework we have designed for a critical assessment of blocking algorithms. In particular, we describe the datasets and the measures we employed to study the behav...
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Article
Formal foundations for RDF/S KB evolution
There are ongoing efforts to provide declarative formalisms of integrity constraints over RDF/S data. In this context, addressing the evolution of RDF/S knowledge bases while respecting associated constraints ...
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Chapter and Conference Paper
A Methodological Framework for Statistical Analysis of Social Text Streams
Social media are one of the main contributors of user generated content; providing vast amounts of data in daily basis, covering a wide range of topics, interests and events. In order to identify and link mean...