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RECSYS
2009
ACM
15 years 6 months ago
Regret-based optimal recommendation sets in conversational recommender systems
Current conversational recommender systems are unable to offer guarantees on the quality of their recommendations due to a lack of principled user utility models. We develop an ap...
Paolo Viappiani, Craig Boutilier
DASFAA
2008
IEEE
109views Database» more  DASFAA 2008»
15 years 6 months ago
Bulk-Loading the ND-Tree in Non-ordered Discrete Data Spaces
Applications demanding multidimensional index structures for performing efficient similarity queries often involve a large amount of data. The conventional tuple-loading approach t...
Hyun-Jeong Seok, Gang Qian, Qiang Zhu, Alexander R...
DEXAW
2008
IEEE
252views Database» more  DEXAW 2008»
15 years 6 months ago
XML Tree Structure Compression
In an XML document a considerable fraction consists of markup, that is, begin and end-element tags describing the document’s tree structure. XML compression tools such as XMill ...
Sebastian Maneth, Nikolay Mihaylov, Sherif Sakr
ADBIS
2008
Springer
219views Database» more  ADBIS 2008»
15 years 6 months ago
Data Stream Analysis for Location-Aware Collaborative Information Retrieval
Abstract. We propose a new approach for enhancing collaborative information retrieval by means of incorporating positional data for a location-aware personalized retrieval process....
Andreas Behrend, Frank Reichartz, Christian Dorau,...
AINA
2007
IEEE
15 years 6 months ago
Mining Visual Knowledge for Multi-Lingual Image Retrieval
Users commonly rely just on scarce textual annotation when their searches for images are semantic or conceptual based. Rich visual information is often thrown away in basic annota...
Masashi Inoue