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Sonniger Start in das neue Semester (April 2023). Bildinformationen anzeigen

Sonniger Start in das neue Semester (April 2023).

Foto: Universität Paderborn, Besim Mazhiqi

Dennis Wolters, M.Sc.

Kontakt
Publikationen
 Dennis Wolters, M.Sc.

Datenbank- und Informationssysteme

Wissenschaftlicher Mitarbeiter

Telefon:
+49 5251 60-6828
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ZM2.A.03.05.1
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Besucher:
Zukunftsmeile 2
33102 Paderborn

Liste im Research Information System öffnen

2023

Model-driven Collaborative Design of Professional Education Programmes With Extended Online Whiteboards

D. Wolters, G. Engels, in: MODELSWARD'23, SCITEPRESS, 2023, pp. 133-142

DOI


2022

Towards Situational Process Management for Professional Education Programmes

D. Wolters, G. Engels, in: Product-Focused Software Process Improvement, Springer International Publishing, 2022, pp. 235-242

DOI



2019

Specifying Web Interfaces for Command-line Applications Based on OpenAPI

D. Wolters, J. Kirchhoff, G. Engels, in: Service-Oriented Computing – ICSOC 2019 Workshops, Springer, 2019, pp. 30-41

DOI


2018

Einsatz von Classroom-Response-Systemen und Peer Instruction in der Veranstaltung Grundlagen von Datenbanken

D. Wolters, die hochschullehre (2018)(4)


Semantic Data Mediator: Linking Services to Websites

D. Wolters, S. Heindorf, J. Kirchhoff, G. Engels, in: Service-Oriented Computing -- ICSOC 2017 Workshops, Springer International Publishing, 2018, pp. 388-392

Many websites offer links to social media sites for convenient content sharing. Unfortunately, those sharing capabilities are quite restricted and it is seldom possible to share content with other services, like those provided by a user's favorite applications or smart devices. In this paper, we present Semantic Data Mediator (SDM) --- a flexible middleware linking a vast number of services to millions of websites. Based on reusable repositories of service descriptions defined by the crowd, users can easily fill a personal registry with their favorite services, which can then be linked to websites by SDM. For this, SDM leverages semantic data, which is already available on millions of websites due to search engine optimization. Further support for our approach from website or service developers is not required. To enable the use of a broad range of services, data conversion services are automatically composed by SDM to transform data according to the needs of the different services. In addition to linking web services, various service adapters allow services of applications and smart devices to be linked as well. We have fully implemented our approach and present a real-world case study demonstrating its feasibility and usefulness.


2017

XDAI-A: Framework for Enabling Cross-Device Integration of Android Apps

D. Wolters, J. Kirchhoff, C. Gerth, G. Engels, in: Service-Oriented Computing -- ICSOC 2016 Workshops, Springer International Publishing, 2017, pp. 203-206

A lot of people are managing multiple computing devices suited for different purposes, like private and work devices. Integrating applications running on different devices is often a problem, because the services provided by those applications are not meant to be integrated. In this demonstration, we present our XDAI-A framework which enables cross-device integration of services provided by Android apps. The framework uses adapters to convert Android-internal service interfaces of existing apps into external services with a platform-independent interface that can be accessed from applications on other devices and even other platforms. Our ready-to-use framework does not require to alter existing Android apps, since the adapters are installed separately. For the convenient specification of adapters, our framework comes with a domain-specific language (DSL). Additionally, we provide an infrastructure to find and integrate devices and their applications' services.


Visual Requirements Modeling for Cross-Device Systems

D. Wolters, C. Gerth, G. Engels, Computer Science and Information Systems (ComSIS) (2017), 14(2), pp. 517-536

DOI


Linking Services to Websites by Leveraging Semantic Data

D. Wolters, S. Heindorf, J. Kirchhoff, G. Engels, in: 2017 IEEE International Conference on Web Services (ICWS), IEEE, 2017

Websites increasingly embed semantic data for search engine optimization. The most common ontology for semantic data, schema.org, is supported by all major search engines and describes over 500 data types, including calendar events, recipes, products, and TV shows. As of today, users wishing to pass this data to their favorite applications, e.g., their calendars, cookbooks, price comparison applications or even smart devices such as TV receivers, rely on cumbersome and error-prone workarounds such as reentering the data or a series of copy and paste operations. In this paper, we present Semantic Data Mediator (SDM), an approach that allows the easy transfer of semantic data to a multitude of services, ranging from web services to applications installed on different devices. SDM extracts semantic data from the currently displayed web page on the client-side, offers suitable services to the user, and by the press of a button, forwards this data to the desired service while doing all the necessary data conversion and service interface adaptation in between. To realize this, we built a reusable repository of service descriptions, data converters, and service adapters, which can be extended by the crowd. Our approach for linking services to websites relies solely on semantic data and does not require any additional support by either website or service developers. We have fully implemented our approach and present a real-world case study demonstrating its feasibility and usefulness.


2016

Cross-Device Integration of Android Apps

D. Wolters, J. Kirchhoff, C. Gerth, G. Engels, in: Service-Oriented Computing, Springer International Publishing, 2016, pp. 171-185

Integrating apps on mobile devices into applications running on other devices is usually difficult. For instance, using a messenger on a smartphone to share a text written on a desktop computer often ends up in a cumbersome solution to transfer the text, because many applications are not designed for such scenarios. In this paper, we present an approach enabling the integration of apps running on Android devices into applications running on other devices and even other platforms. This is achieved by specifying adapters for Android apps, which map their services to a platform-independent service interface. For this purpose, we have developed a domain-specific language to ease the specification of such mappings. Our approach is applicable without the need to modify the existing Android apps providing the service. We analyzed its feasibility by implementing our approach and by specifying mappings for several popular Android apps, e.g., phone book, camera, and file explorer.


S2CX: From relational data via SQL/XML to (Un-)Compressed XML

S. Böttcher, R. Hartel, D. Wolters, Information Systems (2016), 56, pp. 198-213

DOI


Modeling Cross-Device Systems with Use Case Diagrams

D. Wolters, C. Gerth, G. Engels, in: Proceedings of the CAiSE'18 Forum at the 28th International Conference on Advanced Information Systems Engineering (CAiSE'16), CEUR-WS.org, 2016, pp. 89-96


2014

Use Your Best Device! Enabling Device Changes at Runtime

D. Bokermann, C. Gerth, G. Engels, in: 12th International Conference on Business Process Management (BPM 2014), Springer International Publishing, 2014, pp. 357-365

DOI


2012

Generalizing and Improving SQL/XML Query Evaluation

S. Böttcher, D. Bokermann, R. Hartel, in: 8th International Conference on Signal Image Technology and Internet Based Systems (SITIS'12), IEEE, 2012

DOI


2011

Computing Compressed XML Data from Relational Databases

S. Böttcher, D. Bokermann, R. Hartel, in: Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, Springer Berlin/Heidelberg, 2011, pp. 209-220


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