Carsten Ullrich

	2009
33		Carsten Ullrich, Tianxiang Lu, Erica Melis: A New Framework for Dynamic Adaptations and Actions. EC-TEL 2009: 67-72
32		Kerstin Borau, Carsten Ullrich, Jinjin Feng, Ruimin Shen: Microblogging for Language Learning: Using Twitter to Train Communicative and Cultural Competence. ICWL 2009: 78-87
31		Carsten Ullrich, Tianxiang Lu, Erica Melis: Just-in-Time Adaptivity through Dynamic Items. UMAP 2009: 373-378
30		Erica Melis, Georgi Goguadze, Paul Libbrecht, Carsten Ullrich: Culturally adapted mathematics education with ActiveMath. AI Soc. 24(3): 251-265 (2009)
29		Carsten Ullrich, Erica Melis: Pedagogically founded courseware generation based on HTN-planning. Expert Syst. Appl. 36(5): 9319-9332 (2009)
	2008
28		Carsten Ullrich: Pedagogically Founded Courseware Generation for Web-Based Learning, An HTN-Planning-Based Approach Implemented in PAIGOS Springer 2008
27		Heng Luo, Changyong Niu, Ruimin Shen, Carsten Ullrich: A Collaborative Filtering Framework Based on Both Local User Similarity and Global User Similarity. ECML/PKDD (1) 2008: 12
26		Carsten Ullrich, Kerstin Borau, Heng Luo, Xiaohong Tan, Liping Shen, Ruimin Shen: Why web 2.0 is good for learning and for research: principles and prototypes. WWW 2008: 705-714
25		Carsten Ullrich: Course Generation as a Hierarchical Task Network Planning Problem. KI 22(3): 72-74 (2008)
24		Heng Luo, Changyong Niu, Ruimin Shen, Carsten Ullrich: A collaborative filtering framework based on both local user similarity and global user similarity. Machine Learning 72(3): 231-245 (2008)
	2007
23		Ruqian Lu, Jörg H. Siekmann, Carsten Ullrich: Cognitive Systems, Joint Chinese-German Workshop, Shanghai, China, March 7-11, 2005, Revised Selected Papers Springer 2007
22		Carsten Ullrich, Qinghua Chen, Sushing Chen, Liping Shen, Ruimin Shen: Investigating the Reuse of Course Generation Knowledge. ICCE 2007: 97-104
21		Carsten Ullrich, Ruimin Shen, Su-Shing Chen: Multimedia-Learning in a Life Science Workflow Environment. PCM 2007: 467-474
	2006
20		Philipp Kärger, Carsten Ullrich, Erica Melis: Integrating Learning Object Repositories Using a Mediator Architecture. EC-TEL 2006: 185-197
19		Philipp Kärger, Erica Melis, Carsten Ullrich: Querying Heterogeneous and Distributed Learning Object Repositories via Ontology-Based Mediation. ICALT 2006: 845-846
18		Christopher A. Brooks, Jim E. Greer, Erica Melis, Carsten Ullrich: Combining ITS and eLearning Technologies: Opportunities and Challenges. Intelligent Tutoring Systems 2006: 278-287
17		Carsten Ullrich, Okhtay Ilghami: Challenges and Solutions for Hierarchical Task Network Planning in E-Learning. STAIRS 2006: 271-272
	2005
16		Carsten Ullrich: Tutorial Planning: Adapting Course Generation to Today's Needs. AIED 2005: 978
15		Erica Melis, Ruimin Shen, Jörg H. Siekmann, Carsten Ullrich, Fan Yang, Peng Han: Challenges in Search and Usage of Multi-media Learning Objects. Cognitive Systems 2005: 36-44
14		Carsten Ullrich: Course Generation Based on HTN Planning. LWA 2005: 74-79
13		Shahid Manzoor, Paul Libbrecht, Carsten Ullrich, Erica Melis: Authoring Presentation for OpenMath. MKM 2005: 33-48
	2004
12		Erica Melis, Carsten Ullrich: Gender-Biased Adaptations in Educational Adaptive Hypermedia. AH 2004: 425-428
11		Carsten Ullrich, Paul Libbrecht, Stefan Winterstein, Martin Mühlenbrock: A Flexible and Efficient Presentation-Architecture for Adaptive Hypermedia: Description and Technical Evaluation. ICALT 2004
	2003
10		Paul Libbrecht, Carsten Ullrich, Stefan Winterstein: An Efficient Presentation-Architecture for Personalized Content. Berliner XML Tage 2003: 379-388
9		Carsten Ullrich: An Instructional Component for Dynamic Course Generation and Delivery. Berliner XML Tage 2003: 467-476
8		Georgi Goguadze, Erica Melis, Carsten Ullrich, Paul A. Cairns: Problems and Solutions for Markup for Mathematical Examples and Exercises. MKM 2003: 80-92
7		Alberto González Palomo, Paul Libbrecht, Carsten Ullrich: A Presentation Architecture for Individualized Content. WWW (Posters) 2003
6		Erica Melis, Jochen Büdenbender, Georgi Goguadze, Paul Libbrecht, Carsten Ullrich: Knowledge Representation and Management in ACTIVEMATH. Ann. Math. Artif. Intell. 38(1-3): 47-64 (2003)
5		Erica Melis, Georgi Goguadze, Paul Libbrecht, Carsten Ullrich: Wissensmodellierung und -nutzung in ActiveMath. KI 17(1): 12- (2003)
	2002
4		Jörg H. Siekmann, Christoph Benzmüller, Vladimir Brezhnev, Lassaad Cheikhrouhou, Armin Fiedler, Andreas Franke, Helmut Horacek, Michael Kohlhase, Andreas Meier, Erica Melis, Markus Moschner, Immanuel Normann, Martin Pollet, Volker Sorge, Carsten Ullrich, Claus-Peter Wirth, Jürgen Zimmer: Proof Development with OMEGA. CADE 2002: 144-149
3		Jochen Büdenbender, Adrian Frischauf, Georgi Goguadze, Erica Melis, Paul Libbrecht, Carsten Ullrich: Using Computer Algebra Systems as Cognitive Tools. Intelligent Tutoring Systems 2002: 802-810
2		Erica Melis, Jochen Büdenbender, Georgi Goguadze, Paul Libbrecht, Carsten Ullrich: Semantics for Web-Based Mathematical Education Systems. Semantic Web Workshop 2002
	1999
1		Erica Melis, Carsten Ullrich: Flexibly Interleaving Processes. ICCBR 1999: 263-275

Coauthor Index

1	Christoph Benzmüller (Christoph Benzmueller)	[4]
2	Kerstin Borau	[26] [32]
3	Vladimir Brezhnev	[4]
4	Christopher A. Brooks	[18]
5	Jochen Büdenbender	[2] [3] [6]
6	Paul A. Cairns	[8]
7	Lassaad Cheikhrouhou	[4]
8	Qinghua Chen	[22]
9	Su-Shing Chen	[21]
10	Sushing Chen	[22]
11	Jinjin Feng	[32]
12	Armin Fiedler	[4]
13	Andreas Franke	[4]
14	Adrian Frischauf	[3]
15	George Goguadze (Georgi Goguadze)	[2] [3] [5] [6] [8] [30]
16	Jim E. Greer	[18]
17	Peng Han	[15]
18	Helmut Horacek	[4]
19	Okhtay Ilghami	[17]
20	Philipp Kärger	[19] [20]
21	Michael Kohlhase	[4]
22	Paul Libbrecht	[2] [3] [5] [6] [7] [10] [11] [13] [30]
23	Ruqian Lu	[23]
24	Tianxiang Lu	[31] [33]
25	Heng Luo	[24] [26] [27]
26	Shahid Manzoor	[13]
27	Andreas Meier	[4]
28	Erica Melis	[1] [2] [3] [4] [5] [6] [8] [12] [13] [15] [18] [19] [20] [29] [30] [31] [33]
29	Markus Moschner	[4]
30	Martin Mühlenbrock	[11]
31	Changyong Niu	[24] [27]
32	Immanuel Normann	[4]
33	Alberto González Palomo	[7]
34	Martin Pollet	[4]
35	Liping Shen	[22] [26]
36	Ruimin Shen	[15] [21] [22] [24] [26] [27] [32]
37	Jörg H. Siekmann	[4] [15] [23]
38	Volker Sorge	[4]
39	Xiaohong Tan	[26]
40	Stefan Winterstein	[10] [11]
41	Claus-Peter Wirth	[4]
42	Fan Yang	[15]
43	Jürgen Zimmer	[4]

Colors in the list of coauthors