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Open Data, Grey Data, and Stewardship: Universities at the Privacy FrontierFeb 08 2018As universities recognize the inherent value in the data they collect and hold, they encounter unforeseen challenges in stewarding those data in ways that balance accountability, transparency, and protection of privacy, academic freedom, and intellectual ... More
Developing indicators on Open Access by combining evidence from diverse data sourcesFeb 08 2018In the last couple of years, the role of Open Access (OA) publishing has become central in science management and research policy. In the UK and the Netherlands, national OA mandates require the scientific community to seriously consider publishing research ... More
Digital Data Archives as Knowledge Infrastructures: Mediating Data Sharing and ReuseFeb 08 2018Digital data archives play essential roles in knowledge infrastructures by mediating access to data within and between communities. This three-year qualitative study of DANS, a digital data archive containing more than 50 years of heterogeneous data types, ... More
Uptake and outcome of manuscripts in Nature journals by review model and author characteristicsFeb 06 2018Double-blind peer review has been proposed as a possible solution to avoid implicit referee bias in academic publishing. The aims of this study are to analyse the demographics of corresponding authors choosing double blind peer review, and to identify ... More
Astrophysicists and physicists as creators of ArXiv-based commenting resources for their research communities. An initial surveyFeb 06 2018This paper conveys the outcomes of what results to be the first, though initial, overview of commenting platforms and related 2.0 resources born within and for the astrophysical community (from 2004 to 2016). Experiences were added, mainly in the physics ... More
The paradigm of complexity. Contributions for hypertext's formal approachesFeb 06 2018This article argues for a return to formal approaches of hypertext and builds on the paradigm of complexity to develop the idea of "hypermediator website". A hypermediator website is an intermediate device between a digitalization of book culture and ... More
The Journal Impact Factor: A brief history, critique, and discussion of adverse effectsJan 26 2018The Journal Impact Factor (JIF) is, by far, the most discussed bibliometric indicator. Since its introduction over 40 years ago, it has had enormous effects on the scientific ecosystem: transforming the publishing industry, shaping hiring practices and ... More
Using Deep Learning For Title-Based Semantic Subject Indexing To Reach Competitive Performance to Full-TextJan 20 2018For (semi-)automated subject indexing systems in digital libraries, it is often more practical to use metadata such as the title of a publication instead of the full-text or the abstract. Therefore, it is desirable to have good text mining and text classification ... More
Text Extraction and Retrieval from Smartphone Screenshots: Building a Repository for Life in MediaJan 04 2018Daily engagement in life experiences is increasingly interwoven with mobile device use. Screen capture at the scale of seconds is being used in behavioral studies and to implement "just-in-time" health interventions. The increasing psychological breadth ... More
Emerging basic, clinical and translational research fronts in dental biomaterials R&DNov 30 2017The current (2007-2007) structure and content of dental materials research has been investigated by identifying and describing the emergent research fronts which can be related to basic, translational and clinical observation research. By a combination ... More
Early identification of important patents through network centralityOct 25 2017One of the most challenging problems in technological forecasting is to identify as early as possible those technologies that have the potential to lead to radical changes in our society. In this paper, we use the US patent citation network (1926-2010) ... More
Towards Open Data for the Citation Content AnalysisOct 01 2017The paper presents first results of the CitEcCyr project funded by RANEPA. The project aims to create a source of open citation data for research papers written in Russian. Compared to existing sources of citation data, CitEcCyr is working to provide ... More
SKOS Concepts and Natural Language Concepts: an Analysis of Latent Relationships in KOSsSep 16 2017The vehicle to represent Knowledge Organization Systems (KOSs) in the environment of the Semantic Web and linked data is the Simple Knowledge Organization System (SKOS). SKOS provides a way to assign a URI to each concept, and this URI functions as a ... More
Analysing Timelines of National Histories across Wikipedia Editions: A Comparative Computational ApproachMay 24 2017Portrayals of history are never complete, and each description inherently exhibits a specific viewpoint and emphasis. In this paper, we aim to automatically identify such differences by computing timelines and detecting temporal focal points of written ... More
Using Titles vs. Full-text as Source for Automated Semantic Document AnnotationMay 15 2017Sep 27 2017A significant part of the largest Knowledge Graph today, the Linked Open Data cloud, consists of metadata about documents such as publications, news reports, and other media articles. While the widespread access to the document metadata is a tremendous ... More
Ranking in evolving complex networksApr 26 2017Complex networks have emerged as a simple yet powerful framework to represent and analyze a wide range of complex systems. The problem of ranking the nodes and the edges in complex networks is critical for a broad range of real-world problems because ... More
Quantifying and suppressing ranking bias in a large citation networkMar 23 2017It is widely recognized that citation counts for papers from different fields cannot be directly compared because different scientific fields adopt different citation practices. Citation counts are also strongly biased by paper age since older papers ... More
Randomizing growing networks with a time-respecting null modelMar 22 2017Nov 16 2017Complex networks are often used to represent systems that are not static but grow with time: people make new friendships, new papers are published and refer to the existing ones, and so forth. To assess the statistical significance of measurements made ... More
Why We Read WikipediaFeb 17 2017Mar 16 2017Wikipedia is one of the most popular sites on the Web, with millions of users relying on it to satisfy a broad range of information needs every day. Although it is crucial to understand what exactly these needs are in order to be able to meet them, little ... More
Content-Based Video Retrieval in Historical Collections of the German Broadcasting ArchiveFeb 13 2017The German Broadcasting Archive (DRA) maintains the cultural heritage of radio and television broadcasts of the former German Democratic Republic (GDR). The uniqueness and importance of the video material stimulates a large scientific interest in the ... More
Multi-level computational methods for interdisciplinary research in the HathiTrust Digital LibraryFeb 03 2017Jun 08 2017We show how faceted search using a combination of traditional classification systems and mixed-membership topic models can go beyond keyword search to inform resource discovery, hypothesis formulation, and argument extraction for interdisciplinary research. ... More
Profiling of OCR'ed Historical Texts RevisitedJan 19 2017In the absence of ground truth it is not possible to automatically determine the exact spectrum and occurrences of OCR errors in an OCR'ed text. Yet, for interactive postcorrection of OCR'ed historical printings it is extremely useful to have a statistical ... More
How many scientific papers are mentioned in policy-related documents? An empirical investigation using Web of Science and Altmetric dataDec 06 2016In this short communication, we provide an overview of a relatively newly provided source of altmetrics data which could possibly be used for societal impact measurements in scientometrics. Recently, Altmetric - a start-up providing publication level ... More
Measuring field-normalized impact of papers on specific societal groups: An altmetrics study based on Mendeley dataDec 06 2016Bibliometrics is successful in measuring impact, because the target is clearly defined: the publishing scientist who is still active and working. Thus, citations are a target-oriented metric which measures impact on science. In contrast, societal impact ... More
The Evolution of Sentiment Analysis - A Review of Research Topics, Venues, and Top Cited PapersDec 05 2016Research in sentiment analysis is increasing at a fast pace making it challenging to keep track of all the activities in the area. We present a computer-assisted literature review and analyze 5,163 papers from Scopus. We find that the roots of sentiment ... More
Three practical field normalised alternative indicator formulae for research evaluationDec 05 2016Although altmetrics and other web-based alternative indicators are now commonplace in publishers' websites, they can be difficult for research evaluators to use because of the time or expense of the data, the need to benchmark in order to assess their ... More
A biology journal that can teach physicists a lesson in peer reviewDec 01 2016This is a Commentary in $Physics~Today$ on the novel review process developed by the biology journal $eLife$, with the suggestion that it be adopted by physics journals.
"Space of physics journals": in search of journals of qualityNov 30 2016This paper analyses the problem of scientific quality of physics journals. The main assumption is that the quality of a physics journal exists only in reference to other journals. Instead of constructing new indicators of scientific quality, we identify ... More
The Effect of Gender in the Publication Patterns in MathematicsNov 27 2016Despite the increasing number of women graduating in mathematics, a systemic gender imbalance persists and is signified by a pronounced gender gap in the distribution of active researchers and professors. Especially at the level of university faculty, ... More
"Smart Girls" versus "Sleeping Beauties" in the Sciences: The Identification of Instant and Delayed Recognition by Using the Citation AngleNov 27 2016In recent years, a number of studies have introduced methods for identifying papers with delayed recognition (so called "sleeping beauties", SBs) or have presented single publications as cases of SBs. Most recently, Ke et al. (2015) proposed the so called ... More
How I Stopped Worrying about the Twitter Archive at the Library of Congress and Learned to Build a Little One for MyselfNov 24 2016Twitter is among the commonest sources of data employed in social media research mainly because of its convenient APIs to collect tweets. However, most researchers do not have access to the expensive Firehose and Twitter Historical Archive, and they must ... More
Leveraging Citation Networks to Visualize Scholarly Influence Over TimeNov 22 2016Assessing the influence of a scholar's work is an important task for funding organizations, academic departments, and researchers. Common methods, such as measures of citation counts, can ignore much of the nuance and multidimensionality of scholarly ... More
Full and Fractional Counting in Bibliometric NetworksNov 21 2016Nov 27 2016In their study entitled "Constructing bibliometric networks: A comparison between full and fractional counting," Perianes-Rodriguez, Waltman, & van Eck (2016; henceforth abbreviated as PWvE) provide arguments for the use of fractional counting at the ... More
Full and Fractional Counting in Bibliometric NetworksNov 21 2016In their study entitled "Constructing bibliometric networks: A comparison between full and fractional counting," Perianes-Rodriguez, Waltman, and van Eck (2016, henceforth abbreviated as PWvE) provide arguments for the use of fractional counting at the ... More
A critical comparative analysis of five world university rankingsNov 20 2016Dec 05 2016To provide users insight into the value and limits of world university rankings, a comparative analysis is conducted of 5 ranking systems: ARWU, Leiden, THE, QS and U-Multirank. It links these systems with one another at the level of individual institutions, ... More
A critical comparative analysis of five world university rankingsNov 20 2016To provide users insight into the value and limits of world university rankings, a comparative analysis is conducted of 5 ranking systems: ARWU, Leiden, THE, QS and U-Multirank. It links these systems with one another at the level of individual institutions, ... More
Implementing Ideas for Improving Software Citation and CreditNov 18 2016Improving software citation and credit continues to be a topic of interest across and within many disciplines, with numerous efforts underway. In this Birds of a Feather (BoF) session, we started with a list of actionable ideas from last year's BoF and ... More
Simple Yet Effective Methods for Large-Scale Scholarly Publication RankingNov 16 2016With the growing amount of published research, automatic evaluation of scholarly publications is becoming an important task. In this paper we address this problem and present a simple and transparent approach for evaluating the importance of scholarly ... More
Expected values in percentile indicatorsNov 16 2016PP(top x%) is the proportion of papers of a unit (e.g. an institution or a group of researchers), which belongs to the x% most frequently cited papers in the corresponding fields and publication years. It has been proposed that x% of papers can be expected ... More
The structure and dynamics of the research fronts in HIV/AIDS research: part-whole and adaptive specializationNov 16 2016In this paper, we have identified and analyzed the emergence, structure and dynamics of the paradigmatic research fronts that established the fundamentals of the biomedical knowledge on HIV/AIDS. A search of papers with the identifiers "HIV/AIDS", "Human ... More
Fame and Obsolescence: Disentangling growth and ageing dynamics of patent citationsNov 15 2016We present an analysis of citations accrued over time by cohorts of patents from specific technology sectors (e.g., Electrical and Electronic) granted by the United States Patent and Trademark Office in 1998. In contrast to previous studies that did not ... More
The Opening Scholarly Communication in Social Sciences project OSCOSSNov 15 2016The OSCOSS project (Opening Scholarly Communication in Social Sciences), which will be outlined, aims at providing integrated support for all steps of the scholarly communication process. Incl. collaborative writing of a scientific paper, collecting data ... More
Day of the week effect in paper submission/acceptance/rejection to/in/by peer review journals. II. An ARCH econometric-like modelingNov 14 2016This paper aims at providing a statistical model for the preferred behavior of authors submitting a paper to a scientific journal. The electronic submission of (about 600) papers to the Journal of the Serbian Chemical Society has been recorded for every ... More
1.5 billion words Arabic CorpusNov 12 2016This study is an attempt to build a contemporary linguistic corpus for Arabic language. The corpus produced, is a text corpus includes more than five million newspaper articles. It contains over a billion and a half words in total, out of which, there ... More
Bots, Seeds and People: Web Archives as InfrastructureNov 08 2016The field of web archiving provides a unique mix of human and automated agents collaborating to achieve the preservation of the web. Centuries old theories of archival appraisal are being transplanted into the sociotechnical environment of the World Wide ... More
Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science dataNov 07 2016Using percentile shares, one can visualize and analyze the skewness in bibliometric data across disciplines and over time. The resulting figures can be intuitively interpreted and are more suitable for detailed analysis of the effects of independent and ... More
Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science dataNov 07 2016Dec 01 2016Using percentile shares, one can visualize and analyze the skewness in bibliometric data across disciplines and over time. The resulting figures can be intuitively interpreted and are more suitable for detailed analysis of the effects of independent and ... More
A Semi-Automatic Approach for Detecting Dataset References in Social Science TextsNov 06 2016Today, full-texts of scientific articles are often stored in different locations than the used datasets. Dataset registries aim at a closer integration by making datasets citable but authors typically refer to datasets using inconsistent abbreviations ... More
Citation algorithms for identifying research milestones driving biomedical innovationNov 05 2016Scientific activity plays a major role in innovation for biomedicine and healthcare. For instance, fundamental research on disease pathologies and mechanisms can generate potential targets for drug therapy. This co-evolution is punctuated by papers which ... More
Web of Science: showing a bug today that can mislead scientific research output's predictionNov 04 2016As it happened in all domains of human activities, economic issues and the increase of people working in scientific research have altered the way scientific production is evaluated so as the objectives of performing the evaluation. Introduced in 2005 ... More
Web of Science: showing a bug today that can mislead scientific research output's predictionNov 04 2016Dec 06 2016As it happened in all domains of human activities, economic issues and the increase of people working in scientific research have altered the way scientific production is evaluated so as the objectives of performing the evaluation. Introduced in 2005 ... More
Learning to Rank Scientific Documents from the CrowdNov 04 2016Finding related published articles is an important task in any science, but with the explosion of new work in the biomedical domain it has become especially challenging. Most existing methodologies use text similarity metrics to identify whether two articles ... More
Free articles and Accounting for the timing effectNov 04 2016Various studies have attempted to assess the amount of free full text available on the web and recent work have suggested that we are close to the 50% mark for freely available articles (Archambault et al. 2013; Bjork et al. 2010; Jamali and Nabavi 2015). ... More
Sources of Change for Modern Knowledge Organization SystemsNov 01 2016Knowledge Organization Systems (e.g. taxonomies and ontologies) continue to contribute benefits in the design of information systems by providing a shared conceptual underpinning for developers, users, and automated systems. However, the standard mechanisms ... More
Scientific Data Science and the Case for Open AccessNov 01 2016"Open access" has become a central theme of journal reform in academic publishing. In this article, I examine the consequences of an important technological loophole in which publishers can claim to be adhering to the principles of open access by releasing ... More
The Durability and Fragility of Knowledge Infrastructures: Lessons Learned from AstronomyOct 31 2016Infrastructures are not inherently durable or fragile, yet all are fragile over the long term. Durability requires care and maintenance of individual components and the links between them. Astronomy is an ideal domain in which to study knowledge infrastructures, ... More
A Bibliometric Study of Asia Pacific Software Engineering Conference from 2010 to 2015Oct 30 2016The Asia-Pacific Software Engineering Conference (APSEC) is a reputed and a long-running conference which has successfully completed more than two decades as of year 2015. We conduct a bibliometric and scientific publication mining based study to how ... More
Crowdsourced science: sociotechnical epistemology in the e-research paradigmOct 29 2016Recent years have seen a surge in online collaboration between experts and amateurs on scientific research. In this article, we analyse the epistemological implications of these crowdsourced projects, with a focus on Zooniverse, the world's largest citizen ... More
Capturing the "Whole Tale" of Computational Research: Reproducibility in Computing EnvironmentsOct 28 2016We present an overview of the recently funded "Merging Science and Cyberinfrastructure Pathways: The Whole Tale" project (NSF award #1541450). Our approach has two nested goals: 1) deliver an environment that enables researchers to create a complete narrative ... More
Effects of Social Ties in Knowledge Diffusion: case study on PLOS ONEOct 28 2016In order to capture the effects of social ties in knowledge diffusion, this paper examines the publication network that emerges from the collaboration of researchers, using citation information as means to estimate knowledge flow. For this purpose, we ... More
How Users Explore Ontologies on the Web: A Study of NCBO's BioPortal Usage LogsOct 28 2016Oct 31 2016Ontologies in the biomedical domain are numerous, highly specialized and very expensive to develop. Thus, a crucial prerequisite for ontology adoption and reuse is effective support for exploring and finding existing ontologies. Towards that goal, the ... More
How Users Explore Ontologies on the Web: A Study of NCBO's BioPortal Usage LogsOct 28 2016Ontologies in the biomedical domain are numerous, highly specialized and very expensive to develop. Thus, a crucial prerequisite for ontology adoption and reuse is effective support for exploring and finding existing ontologies. Towards that goal, the ... More
On the relationship between set-based and network-based measures of gender homophily in scholarly publicationsOct 27 2016Nov 11 2016There is an increased interest in the scientific community in the problem of measuring gender homophily in co-authorship on scholarly publications (Eisen, 2016). For a given set of publications and co-authorships, we assume that author identities have ... More
On the relationship between set-based and network-based measures of gender homophily in scholarly publicationsOct 27 2016There is an increased interest in the scientific community in the problem of measuring gender homophily in co-authorship on scholarly publications (Eisen, 2016). For a given set of publications and co-authorships, we assume that author identities have ... More
Quantitative Evaluation of Gender Bias in Astronomical Publications from Citation CountsOct 27 2016We analyze the role of first (leading) author gender on the number of citations that a paper receives, on the publishing frequency and on the self-citing tendency. We consider a complete sample of over 200,000 publications from 1950 to 2015 from five ... More
4D Specialty Approximation: Ability to Distinguish between Related SpecialtiesOct 24 2016Publication and citation patterns can vary significantly between related disciplines or more narrow specialties, even when sharing journals. Journal-based structures are therefore not accurate enough to approximate certain specialties, neither subject ... More
The poor altmetric performance of publications authored by researchers in mainland ChinaOct 24 2016China's scientific output has risen precipitously over the past decade; it is now the world's second-largest producer of scientific papers, behind only the United States. The quality of China's research is also on the rise (Van Noorden, 2016). The online ... More
From Ontology to Structured Applied EpistemologyOct 23 2016We have proposed the development of highly-structured scientific research reports as well as highly-structured descriptions of historical events on which historical analyses can be based. Because structured revisions to knowledge are integral to scientific ... More
From Ontology to Structured Applied EpistemologyOct 23 2016Nov 07 2016We have proposed the development of highly-structured scientific research reports as well as highly-structured descriptions of historical events on which historical analyses can be based. Because structured revisions to knowledge are integral to scientific ... More
$C^3$-index: A PageRank based multi-faceted metric for authors' performance measurementOct 22 2016Ranking scientific authors is an important but challenging task, mostly due to the dynamic nature of the evolving scientific publications. The basic indicators of an author's productivity and impact are still the number of publications and the citation ... More
Ten Blue Links on MarsOct 20 2016This paper explores a simple question: How would we provide a high-quality search experience on Mars, where the fundamental physical limit is speed-of-light propagation delays on the order of tens of minutes? On Earth, users are accustomed to nearly instantaneous ... More
ERMrest: an entity-relationship data storage service for web-based, data-oriented collaborationOct 19 2016Scientific discovery is increasingly dependent on a scientist's ability to acquire, curate, integrate, analyze, and share large and diverse collections of data. While the details vary from domain to domain, these data often consist of diverse digital ... More
Gender differences in scientific collaborations: Women are more egalitarian than menOct 19 2016By analyzing a unique dataset of more than 270,000 scientists, we discovered substantial gender differences in scientific collaborations. While men are more likely to collaborate with other men, women are more egalitarian. This is consistently observed ... More
Generating Clustered Journal Maps: An Automated System for Hierarchical ClassificationOct 12 2016Journal maps and classifications for 11,359 journals listed in the combined Journal Citation Reports 2015 of the Science and Social Sciences Citation Indexes are provided at http://www.leydesdorff.net/jcr15. A routine using VOSviewer for integrating the ... More
Bibliometric Index for Academic LeadershipOct 12 2016Academic leadership is essential for research innovation and impact. Until now, there has been no dedicated measure of leadership by bibliometrics. Popular bibliometric indices are mainly based on academic output, such as the journal impact factor and ... More
Ranking academic institutions on potential paper acceptance in upcoming conferencesOct 10 2016The crux of the problem in KDD Cup 2016 involves developing data mining techniques to rank research institutions based on publications. Rank importance of research institutions are derived from predictions on the number of full research papers that would ... More
First version of a categorization of arguments for counting methods for publication and citation indicatorsOct 08 2016Due to the increasing number of authors per publication, a change in counting method for a publication or citation indicator will often change the result of the indicator. Therefore it is important to know why a specific counting method has been applied. ... More
Who is Who in Phylogenetic Networks: Articles, Authors and ProgramsOct 05 2016The phylogenetic network emerged in the 1990s as a new model to represent the evolution of species in the case where coexisting species transfer genetic information through hybridization, recombination, lateral gene transfer, etc. As is true for many ... More
Linking Behavior in the PER Coauthorship NetworkSep 28 2016There is considerable long-term interest in understanding the dynamics of collaboration networks, and how these networks form and evolve over time. Most of the work done on the dynamics of social networks focuses on well-established communities. Work ... More
Measuring the match between evaluators and evaluees: Cognitive distances between panel members and research groups at the journal levelSep 22 2016When research groups are evaluated by an expert panel, it is an open question how one can determine the match between panel and research groups. In this paper, we outline two quantitative approaches that determine the cognitive distance between evaluators ... More
Corrigendum to "Is the expertise of evaluation panels congruent with the research interests of the research groups: a quantitative approach based on barycenters" [Journal of Informetrics 9(4) (2015) 704-721]Sep 22 2016In Rahman, Guns, Rousseau, and Engels (2015) we described several approaches to determine the cognitive distance between two units. One of these approaches was based on what we called barycenters in N dimensions. This note corrects this terminology and ... More
Bibliographic Analysis with the Citation Network Topic ModelSep 22 2016Bibliographic analysis considers author's research areas, the citation network and paper content among other things. In this paper, we combine these three in a topic model that produces a bibliographic model of authors, topics and documents using a non-parametric ... More
Towards Evidence-Based Ontology for Supporting Systematic Literature ReviewSep 22 2016[Background]: Systematic Literature Review (SLR) has become an important software engineering research method but costs tremendous efforts. [Aim]: This paper proposes an approach to leverage on empirically evolved ontology to support automating key SLR ... More
Bibliographic Analysis on Research Publications using Authors, Categorical Labels and the Citation NetworkSep 21 2016Bibliographic analysis considers the author's research areas, the citation network and the paper content among other things. In this paper, we combine these three in a topic model that produces a bibliographic model of authors, topics and documents, using ... More
Towards a global scientific brain: Indicators of researcher mobility using co-affiliation dataSep 21 2016Sep 22 2016This paper analyses the potential use of bibliometric data for mapping and applying network analysis to mobility flows. We show case mobility networks at three different levels of aggregation: at the country level, at the city level and at the institutional ... More
OCR++: A Robust Framework For Information Extraction from Scholarly ArticlesSep 21 2016Sep 23 2016This paper proposes OCR++, an open-source framework designed for a variety of information extraction tasks from scholarly articles including metadata (title, author names, affiliation and e-mail), structure (section headings and body text, table and figure ... More
Patterns of authors contribution in scientific manuscriptsSep 18 2016Science is becoming increasingly more interdisciplinary, giving rise to more diversity in the areas of expertise within research labs and groups. This also have brought changes to the role researchers in scientific works. As a consequence, multi-authored ... More
Citation Analysis with Microsoft AcademicSep 17 2016We explored if and how Microsoft Academic (MA) could be used for bibliometric analyses. First, we examined the Academic Knowledge API (AK API), an interface to access MA data. Second, we performed a comparative citation analysis of researchers by normalizing ... More
A simple impact index for scientific innovation and recognitionSep 17 2016Oct 17 2016We introduce a new scientometric index, inspired by the Lobby-Hirsch index from complex networks literature, that we call K index. The K index grows with the impact of the citing papers and can be thought of as a measure of scientific innovation and recognition. ... More
A simple impact index for scientific innovation and recognitionSep 17 2016We introduce a new scientometric index, inspired by the Lobby index from complex networks literature, that we call K-index. The K-index grows with the impact of the citing papers and can be thought of as a measure of scientific creativity and innovation. ... More
Indicators as judgment devices: Citizen bibliometrics in biomedicine and economicsSep 16 2016Oct 12 2016The number of publications has been a fundamental merit in the competition for academic positions since the late 18th century. Today, the simple counting of publications has been supplemented with a whole range of bibliometric measures, which supposedly ... More
Professional and Citizen Bibliometrics: Complementarities and ambivalences in the development and use of indicatorsSep 15 2016Sep 23 2016Bibliometric indicators such as journal impact factors, h-indices, and total citation counts are algorithmic artifacts that can be used in research evaluation and management. These artifacts have no meaning by themselves, but receive their meaning from ... More
Quantitative identification of technological discontinuities using simulation modelingSep 13 2016The aim of this paper is to develop and test metrics to quantitatively identify technological discontinuities in a knowledge network. We developed five metrics based on innovation theories and tested the metrics by a simulation model-based knowledge network ... More
Libraries' Metadata as Data in the Era of the Semantic Web: Modeling a Repository of Master Theses and PhD Dissertations for the Web of DataSep 12 2016This study argues that metadata of library catalogs can stand autonomously, providing valuable information detached from the resources they point to and, therefore, could be used as data in the context of the Semantic Web. We present an analysis of this ... More
Predicting the future relevance of research institutions - The winning solution of the KDD Cup 2016Sep 09 2016The world's collective knowledge is evolving through research and new scientific discoveries. It is becoming increasingly difficult to objectively rank the impact research institutes have on global advancements. However, since the funding, governmental ... More
Math-Aware Search Engines: Physics Applications and OverviewSep 08 2016Search engines for equations now exist, which return results matching the query's mathematical meaning or structural presentation. Operating over scientific papers, online encyclopedias, and math discussion forums, their content includes physics, math, ... More
In the Name of the Name: RDF literals, ER Attributes and the Potential to Rethink the Structures and Visualizations of CatalogsSep 07 2016The aim of this study is to contribute to the field of machine-processable bibliographic data that is suitable for the Semantic Web. We examine the Entity Relationship (ER) model, which has been selected by IFLA as a "conceptual framework" in order to ... More
Public scientists contributing to local literary fiction. An exploratory analysisSep 05 2016Public scientists (scientists only from now onwards), understood as a member of the teaching and/or research staff of a public university or a public research organization (including humanities and social sciences), benefit the academic community, industry ... More
Do Mathematicians, Economists and Biomedical Scientists Trace Hot Topics More Strongly Than Physicists?Sep 02 2016In this work, we extend our previous work on hotness tracing among physicists to other fields, including mathematics, economics and biomedical science. Overall, the results confirm our previous discovery, indicating that scientists in all these fields ... More
Citation Classification for Behavioral Analysis of a Scientific FieldSep 02 2016Citations are an important indicator of the state of a scientific field, reflecting how authors frame their work, and influencing uptake by future scholars. However, our understanding of citation behavior has been limited to small-scale manual citation ... More