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DEXA
2006
Springer
127views Database» more  DEXA 2006»
13 years 11 months ago
Efficient Temporal Coalescing Query Support in Relational Database Systems
Xin Zhou, Fusheng Wang, Carlo Zaniolo
DEXA
2006
Springer
95views Database» more  DEXA 2006»
13 years 11 months ago
On the Completion of Workflows
Abstract. Workflow Management Systems (WFMS) coordinate execution of logically related multiple tasks in an organization. A workflow schema is defined using a set of tasks that are...
Tai Xin, Indrakshi Ray, Parvathi Chundi, Sopak Cha...
DEXA
2006
Springer
139views Database» more  DEXA 2006»
13 years 11 months ago
Distributed Continuous Range Query Processing on Moving Objects
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku
DEXA
2006
Springer
193views Database» more  DEXA 2006»
13 years 11 months ago
Understanding and Enhancing the Folding-In Method in Latent Semantic Indexing
Abstract. Latent Semantic Indexing(LSI) has been proved to be effective to capture the semantic structure of document collections. It is widely used in content-based text retrieval...
Xiang Wang 0002, Xiaoming Jin
DEXA
2006
Springer
138views Database» more  DEXA 2006»
13 years 11 months ago
A Vector Space Model for Semantic Similarity Calculation and OWL Ontology Alignment
Ontology alignment (or matching) is the operation that takes two ontologies and produces a set of semantic correspondences (usually semantic similarities) between some elements of ...
Rubén Tous, Jaime Delgado
DEXA
2006
Springer
143views Database» more  DEXA 2006»
13 years 11 months ago
Multivariate Stream Data Classification Using Simple Text Classifiers
We introduce a classification framework for continuous multivariate stream data. The proposed approach works in two steps. In the preprocessing step, it takes as input a sliding wi...
Sungbo Seo, Jaewoo Kang, Dongwon Lee, Keun Ho Ryu
DEXA
2006
Springer
89views Database» more  DEXA 2006»
13 years 11 months ago
Truly Adaptive Optimization: The Basic Ideas
A new approach to query optimization, truly adaptive optimization (TAO), is presented. TAO is a general optimization strategy and is composed of three elements:
Giovanni Maria Sacco
DEXA
2006
Springer
136views Database» more  DEXA 2006»
13 years 11 months ago
Faster Twig Pattern Matching Using Extended Dewey ID
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Recently, Lu et al. [7] proposed the TJFast algorithm ...
Chung Keung Poon, Leo Yuen
DEXA
2006
Springer
160views Database» more  DEXA 2006»
13 years 11 months ago
Clustering of Search Engine Keywords Using Access Logs
Abstract. It the becomes possible that users can get kinds of information by just inputting search keyword(s) representing the topic which users are interested in. But it is not al...
Shingo Otsuka, Masaru Kitsuregawa
DEXA
2006
Springer
115views Database» more  DEXA 2006»
13 years 11 months ago
Semantic Wikis for Personal Knowledge Management
Wikis are becoming popular knowledge management tools. Analysing knowledge management requirements, we observe that wikis do not fully support structured search and knowledge reuse...
Eyal Oren, Max Völkel, John G. Breslin, Stefa...