- Konferenzveröffentlichung (116)
Identifying Dynamic Data Structures by Learning Evolving Patterns in Memory
Sources and approaches across disciplines in Near Eastern studies : proceedings of the 24th congress, Union Européenne des Arabisants et Islamisants, Leipzig 2008
BPMN 2.0 Serialization - Standard Compliance Issues and Evaluation of Modeling Tools
- Business Process Model and Notation (BPMN) 2.0 process models are used more and more, both in practice as in academia. Although academic research mainly
focuses on sophisticated semantic checks and extensions there still exist problems in the basic usage of BPMN. This paper investigates issues in BPMN model serializations which arise as a result of the complexity and inconsistency of the standard document. We present a set of serialization constraints as a starting point for sophisticated compliance checks on serialized BPMN models. Furthermore, these constraints are used to perform an evaluation of current modeling tools. This evaluation reveals that the creation of standard compliant models is still a non-trivial endeavor.
A Hybrid OLAP & OLTP Architecture Using Non-Relational Data Components
- Relational database systems are still the first choice for the realization of business application systems. They are used as operational databases to persist business process data or as the basis for data warehouse systems. In recent years, the NoSQL-movement proposed a number of new non-relational data stores because of changing requirements of Web 2.0 applications and related limitations of relational systems. We argue that these new systems can also be used in OLTP- and right-time OLAP-scenarios. We demonstrate how enterprise application systems can be realized based on concepts of the NoSQL-movement. We propose an architecture that enables the deployment of an appropriate data model to a certain business domain and the integration of OLTP- and OLAP-functionality. Components of the architecture are suited to enhance business data with analysis-relevant information and to perform analysis tasks. To demonstrate the application of the architecture and its analytic features, we introduce a short case study.
Scrabble yourself to success: Methods in teaching transcription
- This paper summarizes the results of a study that tested and evaluated two methods for teaching phonemic transcription to German EFL students at university level. The research design included a control group and two training groups receiving treatment with different methods: one based on the transcription of auditive stimuli, the other based on a phonemic adaption of the board game Scrabble®. The different training methods had significant effects on the improvement of transcription skills. A comparison of the training groups did not yield significant differences – the descriptive statistics, however, suggest that phoneme scrabble cannot be recommended as a uniform teaching method.
Healers and redeemers : the reception and transformation of their medieval and late antique representations in literature, film and music
Dina De Rentiis
Perceptual fluency does not necessarily increase aesthetic appreciation: Evidence against the Hedonic Fluency Model
- Aesthetic pleasure is a function of the perceiver’s processing dynamics. According to the Hedonic
Fluency Model (Winkielman et al, 2003, in
The Psychology of Evaluation: A
ective processes in
cognition and emotion
J Musch an
d K C Klauer, Mahwah, Erlbaum), the perceptual fluency of a stimulus
has an influence on a
ective judgments about this stimulus. This so-called Fluency A
ect Link predicts
higher positive judgments with increasing perceptual fluency. In the present experiment, stimuli of
erent levels of complexity and of positive as well as negative valence from the IAPS database were
tested for their aesthetic appreciation. Perceptual fluency was manipulated through perceptual priming.
Contrary to the predictions of the Hedonic Fluency Model, participants’(
20) aesthetic appreciation
only benefited from fluency of stimuli with positive, but not with negative valence. Actually, stimuli
with negative valence were judged more negative in the highly fluent than in the low fluent condition.
These findings are compatible with the Fluency Attribution Hypothesis (Jacoby et al, 1989, in
of memory and consciousness: Essays in honour of Endel Tulving
, H L Roediger and F I M Craik,
Hillsdale, Erlbaum), asking for an adaptation of current research hypotheses often derived from the
Hedonic Fluency Model.
Volunteering Abroad - A Career-Related Analysis of Self-Initiated Development Aid Workers
The Impact of Knowledge Management on Absorptive Capacity
Measuring the Portability of Executable Service-Oriented Processes
- A key promise of process languages based on open
standards, such as the
Web Services Business Process Execution Language, is the avoidance of vendor lock-in through the portability of process definitions among runtime environments. Despite the fact that today, various runtimes claim to support
this language, every runtime implements a different subset,
thus hampering portability and locking in their users. In this paper, we intend to improve this situation by enabling the measurement of the degree of portability of process definitions. This helps developers to assess their process definitions and to decide if it is feasible to invest in the effort of porting a process definition to another runtime. We define several software quality metrics that quantify the degree of portability a process definition provides from different viewpoints. We validate these metrics theoretically with two validation frameworks and
empirically with a large set of process definitions coming from several process libraries.