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Christoph Lofi
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“
Lofi, C.
, and
C. Nieke
,
"
“I would like to watch something like ‘The Terminator'” Cooperative Query Personalization Based on Perceptual Similarity
",
18th International Conference on Extending Database Technology (EDBT)
, Brussels, Belgium, 2015.
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15EDBT_CooperativePersonalization.pdf
(626.92 KB)
W
Homoceanu, S.
,
M. Loster
,
C. Lofi
, and
W. - T. Balke
,
"
Will I like it? – Providing Product Overviews based on Opinion Excerpts
",
IEEE Conference on Commerce and Enterprise Computing (CEC)
, Luxembourg, Luxembourg, 2011.
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Full Text CEC 2011
(587.95 KB)
U
Balke, W. - T.
,
C. Lofi
, and
U. Güntzer
,
"
User Interaction Support for Incremental Refinement of Preference-Based Queries
",
1st IEEE International Conference on Research Challenges in Information Science (RCIS)
, Ouarzazate, Morocco, 04/2007.
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Fulltext-PDF
(643.83 KB)
T
Wille, P.
,
C. Lofi
, and
W. - T. Balke
,
"
Towards Narrative Information Systems
",
16th International Conference on Web-Age Information Management (WAIM)
, Qingdao, Shandong, China, 06/2015.
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Wille-Towards-Narrative-Information-Systems.pdf
(424.2 KB)
He, J.
,
K. Kunze
,
C. Lofi
,
S. Madria
, and
S. Sigg
,
"
Towards Mobile Sensor-Aware Crowdsourcing: Architecture, Opportunities and Challenges
",
Workshop on Uncertain and Crowdsourced Data (UnCrowd)
, Bali, Indonesia, 2014.
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hybridcrowd.pdf
(1.14 MB)
S
Lofi, C.
,
K. E. Maarry
, and
W. - T. Balke
,
"
Skyline Queries over Incomplete Data - Error Models for Focused Crowd-Sourcing
",
32th Int. Conf. on Conceptual Modeling (ER)
, Hong Kong, China, 11/2013.
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paper_118.pdf
(977.04 KB)
Lofi, C.
,
K. E. Maarry
, and
W. - T. Balke
,
"
Skyline Queries in Crowd-Enabled Databases
",
Int. Conf. on Extending Database Technology (EDBT)
, Genoa, Italy, 03/2013.
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13_edbt_final2.pdf
(1.31 MB)
Lofi, C.
, and
W. Siberski
,
"
Service Oriented Architectures for Open E-Learning Systems: An Overview of the Prolix Project
",
eTeaching & eScience
, Hannover, Germany, 10/2007.
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Kalo, J. - C.
,
C. Lofi
,
R. P. Maseli
, and
W. - T. Balke
,
"
Semantic Query Processing: Estimating Relational Purity
",
15th Lernen Wissen Daten Analysen (LWDA) Conference
, Rostock, Germany, 09/2017.
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LWDA_2017_paper_15.pdf
(1.01 MB)
P
Selke, J.
,
C. Lofi
, and
W. - T. Balke
,
"
Pushing the Boundaries of Crowd-Enabled Databases with Query-Driven Schema Expansion
",
38th Int. Conf. on Very Large Data Bases (VLDB)
, Istanbul, Turkey, in PVLDB 5(6) , 08/12, 2012.
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267_camera-ready-v3.pdf
(1.25 MB)
Lofi, C.
, and
W. - T. Balke
,
"
Preference Trade-Offs – Towards manageable Skylines
",
22. GI-Workshop Grundlagen von Datenbanken (GvD)
, Bad Helmstedt, Germany, 05/2010.
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fulltext.pdf
(642.42 KB)
O
Lofi, C.
, and
W. - T. Balke
,
"
On Skyline Queries and how to Choose from Pareto Sets
",
Advanced Query Processing: Issues and Trends
, vol. 1: Springer, pp. 15–36., 2012.
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printversion.pdf
(415.01 KB)
M
Lofi, C.
, and
C. Nieke
,
"
Modeling Analogies for Human-Centered Information Systems
",
5th Int. Conf. On Social Informatics (SocInfo)
, Kyoto, Japan, 11/13, 2013.
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13SocInfo_03.pdf
(683.65 KB)
Lofi, C.
,
D. Olmedilla
,
O. Papapetrou
,
W. Siberski
,
J. L. D. Coi
,
A. Kösling
, and
E. Herder
,
"
A Model for Competence Gap Analysis
",
3rd International Conference on Web Information Systems and Technologies (WEBIST)
, Barcelona, Spain, 03/2007.
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Fulltext-PDF
(103.53 KB)
Lofi, C.
,
C. Nieke
, and
W. - T. Balke
,
"
Mobile Product Browsing using Bayesian Retrieval
",
12th IEEE Conference on Commerce and Enterprise Computing (CEC)
, Shanghai, China, 11/2010.
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Fulltext
(726.29 KB)
Lofi, C.
,
"
Measuring Semantic Similarity and Relatedness with Distributional and Knowledge-based Approaches
",
Database Society of Japan (DBSJ) Journal
, vol. 14, no. 1, pp. 1-9, 03/2016.
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DBSJ01.pdf
(574.61 KB)
Lofi, C.
,
U. Güntzer
, and
W. - T. Balke
,
"
Malleability-Aware Skyline Computation on Linked Open Data
",
17th International Conference on Database Systems for Advanced Applications (DASFAA)
, Busan, South Korea, 04/2012.
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Dasfaa12_Lofi
(799.68 KB)
L
Lofi, C.
, and
W. - T. Balke
,
"
Large Scale Cooperation Scenarios – Crowdsourcing and its Societal Implication
",
Transactions on Internet Research (TIR)
, vol. 12, no. 1, 01/2016.
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15TIR-Crowdsourcing.pdf
(1.06 MB)
J
Lofi, C.
,
"
Just ask a human? – Controlling Quality in Relational Similarity and Analogy Processing using the Crowd
",
Crowd-enabled Data and Information Management (CDIM) Workshop at Database Systems for Business Technology and Web (BTW)
, Magdeburg, Germany, 2013.
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13CDIM_Final.pdf
(611.43 KB);
Data
(72.13 KB)
I
Lofi, C.
, and
R. Krestel
,
"
iParticipate: Automatic Tweet Generation from Local Government Data
",
17th International Conference on Database Systems for Advanced Applications (DASFAA) - Demo Track
, Busan, South Korea, 04/2012.
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dasfaa12_iparticipate
(211.5 KB)
Lofi, C.
,
J. Selke
, and
W. - T. Balke
,
"
Information Extraction Meets Crowdsourcing: A Promising Couple
",
Datenbank-Spektrum
, vol. 12, no. 2: Springer, 05/2012.
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Information Extraction meets Crowdsourcing.pdf
(837.63 KB)
Balke, W. - T.
,
C. Lofi
, and
U. Güntzer
,
"
Incremental Trade-Off Management for Preference Based Queries
",
International Journal of Computer Science & Applications (IJCSA)
, vol. 4, no. 2, 06/2007.
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(572.96 KB)
H
Selke, J.
,
C. Lofi
, and
W. - T. Balke
,
"
Highly Scalable Multiprocessing Algorithms for Preference-Based Database Retrieval
",
15th International Conference on Database Systems for Advanced Applications (DASFAA)
, Tsukuba, Japan, 04/2010.
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(1.01 MB)
E
Lofi, C.
, and
P. Wille
,
"
Exploiting Social Judgements in Big Data Analytics
",
In Proc. of 16th LWA Conference
, Trier, Germany, 2015.
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15_LWA_76.pdf
(718.05 KB)
Lofi, C.
, and
C. Nieke
,
"
Exploiting Perceptual Similarity: Privacy-Preserving Cooperative Query Personalization
",
15th International Conference on Web Information System Engineering (WISE)
, Thessaloniki, Greece, 10/2014.
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WISE 2014 Full Text
(833.33 KB)
Lofi, C.
,
U. Güntzer
, and
W. - T. Balke
,
"
Equivalence Heuristics for Malleability-Aware Skylines
",
Journal of Computing Science and Engineering (JCSE)
, vol. 6, no. 3, 09/2012.
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JCSE-2012-0037.pdf
(1.97 MB)
Lofi, C.
,
U. Güntzer
, and
W. - T. Balke
,
"
Eliciting Skyline Trade-Offs using Example-Based Heuristics for E-Commerce Applications
",
IEEE Conference on Commerce and Enterprise Computing (CEC)
, Luxembourg, Luxembourg, 09/2011.
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Full Text CEC 2011
(689.39 KB)
Balke, W. - T.
,
C. Lofi
, and
U. Güntzer
,
"
Eliciting Matters - Controlling Skyline Sizes by Incremental Integration of User Preferences
",
12th International Conference on Database Systems for Advanced Applications (DASFAA)
, Bangkok, Thailand, 2007.
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dasfaa07-camRed.pdf
(393.17 KB)
Lofi, C.
,
W. - T. Balke
, and
U. Güntzer
,
"
Efficiently Performing Consistency Checks for Multi-Dimensional Preference Trade-Offs
",
2nd IEEE International Conference on Research Challenges in Information Science (RCIS)
, Marrakech, Morocco, 2008.
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Fulltext-PDF
(555.38 KB)
Lofi, C.
,
W. - T. Balke
, and
U. Güntzer
,
"
Efficient Skyline Refinement using Trade-Offs Respecting Don't Care Attributes
",
International Journal of Computer Science & Applications (IJCSA)
, vol. 6, no. 5, 10/2009.
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(831.91 KB)
Lofi, C.
,
W. - T. Balke
, and
U. Güntzer
,
"
Efficient Skyline Refinement using Trade-Offs
",
3rd IEEE International Conference on Research Challenges in Information Science (RCIS)
, Fès, Morocco, 04/2009.
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rcis09_final.pdf
(540.78 KB)
Lofi, C.
,
U. Güntzer
, and
W. - T. Balke
,
"
Efficient Computation of Trade-Off Skylines
",
13th International Conference on Extending Database Technology (EDBT)
, Lausanne, Switzerland, 03/2010.
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Fulltext.pdf
(1.08 MB)
D
Lofi, C.
,
C. Nieke
, and
N. Collier
,
"
Discriminating Rhetorical Analogies in Social Media
",
14th Conference of the European Chapter of the Association for Computational Linguistics (EACL)
, Gothenburg, Sweden, 04/2014.
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14EACL_05_final.pdf
(761.24 KB);
crowd_sourcing_results_full.csv
(2.09 MB);
goldset_snippets.csv
(1.92 MB)
Lofi, C.
, and
K. E. Maarry
,
"
Design Patterns for Hybrid Algorithmic-Crowdsourcing Workflows
",
16th IEEE Conf. on Business Informatics (CBI)
, Geneva, Switzerland, 07/2014.
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CBI2014 Fulltext
(753.19 KB)
C
Alvaro, N.
,
M. Conway
,
S. Doand
,
C. Lofi
,
J. Overington
, and
N. Collier
,
"
Crowdsourcing Twitter annotations to identify first-hand experiences of prescription drug use
",
Journal of Biomedical Informatics
, vol. 58, pp. 280–287, 2015.
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2016JBI.pdf
(658.42 KB)
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