Christiane Lemke

ORCID: 0000-0001-5259-2181
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About
Contact & Profiles
Research Areas
  • European history and politics
  • European Union Policy and Governance
  • Public Administration and Political Analysis
  • Sociology and Education Studies
  • Forecasting Techniques and Applications
  • Social Policy and Reform Studies
  • German legal, social, and political studies
  • Electoral Systems and Political Participation
  • Stock Market Forecasting Methods
  • Communism, Protests, Social Movements
  • Political Influence and Corporate Strategies
  • German History and Society
  • Populism, Right-Wing Movements
  • Semantic Web and Ontologies
  • Law and Political Science
  • Data Management and Algorithms
  • International Development and Aid
  • Gender Politics and Representation
  • International Relations and Foreign Policy
  • German Literature and Culture Studies
  • European Monetary and Fiscal Policies
  • Global Peace and Security Dynamics
  • Geographic Information Systems Studies
  • European Politics and Security
  • Media Influence and Politics

Leibniz University Hannover
2009-2022

University of Tübingen
2014

New York University
1976-2013

Bournemouth University
2008-2012

Brandenburg University of Applied Sciences
2006

Université Jean Monnet
2001

Stanford University
1976

Cornell University
1976

IBM (United States)
1976

National Institute of Standards and Technology
1976

Metalearning attracted considerable interest in the machine learning community last years. Yet, some disagreement remains on what does or not constitute a metalearning problem and which contexts term is used in. This survey aims at giving an all-encompassing overview of research directions pursued under umbrella metalearning, reconciling different definitions given scientific literature, listing choices involved when designing system identifying future challenges this domain.

10.1007/s10462-013-9406-y article EN cc-by Artificial Intelligence Review 2013-07-19

We present GERBIL, an evaluation framework for semantic entity annotation. The rationale behind our is to provide developers, end users and researchers with easy-to-use interfaces that allow the agile, fine-grained uniform of annotation tools on multiple datasets. By these means, we aim ensure both tool developers can derive meaningful insights pertaining extension, integration use applications. In particular, GERBIL provides comparable results so as them easily discover strengths weaknesses...

10.1145/2736277.2741626 article EN 2015-05-18

Rapidly evolving businesses generate massive amounts of time-stamped data sequences and cause a demand for both univariate multivariate time series forecasting. For such data, traditional predictive models based on autoregression are often not sufficient to capture complex nonlinear relationships between multidimensional features the outputs. In order exploit these improved forecasting while also better dealing with wider variety prediction scenarios, system requires flexible generic...

10.1109/tkde.2010.137 article EN IEEE Transactions on Knowledge and Data Engineering 2010-08-24

The combination of forecasts is a well established procedure for improving forecast performance and decreasing the risk selecting an inferior model out existing pool models. Work in this area mainly focuses on combining several functionally different models, but some publications also deal with same functional approach. In latter case, individual are generated by diversifying one or more parameters or, if dealing hierarchical data, using from levels. This work looks at multi-dimensional data...

10.1109/cifer.2009.4937507 article EN 2009-03-01

There are no algorithms that generally perform better or worse than random when looking at all possible data sets according to the no-free-lunch theorem. A specific forecasting method will hence naturally have different performances in empirical studies. This makes it impossible draw general conclusions, however, there of course be problems for which one algorithm performs another practice. Meta-learning exploits this fact by linking characteristics set methods, adapting selection...

10.1109/fuzzy.2010.5584001 article EN 2010-07-01

ABSTRACT After several years of crisis management to avoid an immediate fallout from the sovereign debt in European Union (EU), financial markets have calmed, but economic recovery indebted Eurozone countries has been slow. Europe introduced institutional changes guard against future shocks, no doubt repercussions will be long lasting for project as well transatlantic relations. The vested interests actors make a breakup highly unlikely. From 2007 present, five joined and EU are process...

10.1080/10803920.2014.879517 article EN American Foreign Policy Interests 2014-01-01

Over the last decade, a growing importance of search engines could be observed. An increasing amount knowledge is exposed and connected within Linked Open Data Cloud, which raises users' expectations to able for any information that directly or indirectly contained. However, diverse data types require tailored functionalities---such as semantic, geospatial full text search.

10.1145/2660517.2660528 article EN 2014-09-02

Most studies analyze right-wing populism in the framework of nation state, while its impact on foreign policy is understudied. This article focuses German Alternative for Germany (AfD) to highlight stance. How AfD deliberately operating not only nationally but also European level? What are their aims and goals? has surge impacted international issues what does rise right mean Germany’s role Europe world politics? In first part paper, I contextualize significance within social political...

10.3167/gps.2020.380204 article EN German Politics & Society 2020-06-01

„Frauen an die Macht“ – diese schon vor Jahrzehnten erhobene Forderung ist heute immer noch aktuell. Die politische Partizipation von Frauen hat sich zwar deutlich verbessert, aber in Fuhrungspositionen sind sie selten anzutreffen. Das anschauliche Handbuch fuhrt fur alle Erdteile detailliert aus, unter welchen soziookonomischen, institutionellen und kulturellen Einflussfaktoren zu Staats- und/oder Regierungschefinnen werden. Zahlreiche Einzelbiographien beleuchten personlichen Hintergrunde.

10.14766/760 article DE Querelles-Net 2009-07-07

Published simultaneously as Vol. 18, nos. 3 and 4 of International journal sociology. To complement studies East Germany that center on the state, examines social structures, institutions processes daily life, including families, schools, neighborhoods, workplaces, churches, leisure

10.2307/1431091 article EN German Studies Review 1990-02-01

(1986). New issues in the politics of German democratic republic: A question political culture? Journal Communist Studies: Vol. 2, No. 4, pp. 341-358.

10.1080/13523278608414833 article EN Journal of Communist Studies 1986-12-01
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