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DEXA
2008
Springer
121views Database» more  DEXA 2008»
10 years 1 months ago
OLAP for Trajectories
In this paper, we present an OLAP framework for trajectories of moving objects. We introduce a new operator GROUP TRAJECTORIES for group-by operations on trajectories and present ...
Oliver Baltzer, Frank K. H. A. Dehne, Susanne E. H...
DEXA
2008
Springer
176views Database» more  DEXA 2008»
10 years 1 months ago
Inventing Less, Reusing More, and Adding Intelligence to Business Process Modeling
Recently, a variety of workflow patterns has been proposed focusing on specific aspects like control flow, data flow, and resource assignments. Though these patterns are relevant f...
Lucinéia Heloisa Thom, Manfred Reichert, Ca...
DEXA
2008
Springer
113views Database» more  DEXA 2008»
10 years 1 months ago
Optimal Preference Elicitation for Skyline Queries over Categorical Domains
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
Jongwuk Lee, Gae-won You, Seung-won Hwang, Joachim...
DEXA
2008
Springer
155views Database» more  DEXA 2008»
10 years 1 months ago
NM-Tree: Flexible Approximate Similarity Search in Metric and Non-metric Spaces
So far, an efficient similarity search in multimedia databases has been carried out by metric access methods (MAMs), where the utilized similarity measure had to satisfy the metric...
Tomás Skopal, Jakub Lokoc
DEXA
2008
Springer
137views Database» more  DEXA 2008»
10 years 1 months ago
A Grid-Based Multi-relational Approach to Process Mining
Abstract. Industrial, scientific, and commercial applications use information systems to trace the execution of a business process. Relevant events are registered in massive logs a...
Antonio Turi, Annalisa Appice, Michelangelo Ceci, ...
DEXA
2008
Springer
151views Database» more  DEXA 2008»
10 years 1 months ago
Extraction of Opposite Sentiments in Classified Free Format Text Reviews
Opinion mining received well attention in finding personal opinions from user generated content. These opinions contain valuable information for improving and/or comparing the prod...
Dong (Haoyuan) Li, Anne Laurent, Mathieu Roche, Pa...
DEXA
2008
Springer
132views Database» more  DEXA 2008»
10 years 1 months ago
Efficient Updates for Continuous Skyline Computations
We address the problem of maintaining continuous skyline queries efficiently over dynamic objects with d dimensions. Skyline queries are an important new search capability for mult...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku
DEXA
2008
Springer
143views Database» more  DEXA 2008»
10 years 1 months ago
XML Filtering Using Dynamic Hierarchical Clustering of User Profiles
Information filtering systems constitute a critical component in modern information seeking applications. As the number of users grows and the information available becomes even bi...
Panagiotis Antonellis, Christos Makris
DEXA
2008
Springer
117views Database» more  DEXA 2008»
10 years 1 months ago
Space-Partitioning-Based Bulk-Loading for the NSP-Tree in Non-ordered Discrete Data Spaces
Properly-designed bulk-loading techniques are more efficient than the conventional tuple-loading method in constructing a multidimensional index tree for a large data set. Although...
Gang Qian, Hyun-Jeong Seok, Qiang Zhu, Sakti Prama...
DEXA
2008
Springer
181views Database» more  DEXA 2008»
10 years 1 months ago
Query Recommendation Using Large-Scale Web Access Logs and Web Page Archive
Query recommendation suggests related queries for search engine users when they are not satisfied with the results of an initial input query, thus assisting users in improving sear...
Lin Li, Shingo Otsuka, Masaru Kitsuregawa
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