A Mean-Variance Based Index for Dynamic Context Data Lookup
(2012) Eighth Annual International Conference on Mobile and Ubiquitous Systems:Computing, Networking and Services (MobiQuitous 2011) 104. p.101-112- Abstract
- A primary functionality of context aware applications is the retrieval of different types of context data from various context sources and adapting their behavior accordingly. In order to facilitate context aware application development, a context aware middleware must provide an effective context data management and lookup strategy. The use of a traditional index for indexing dynamic context data is not feasible due to the high update overhead. In this paper, we propose a context data indexing mechanism that utilizes the statistical properties of data viz. the mean and variance to cluster similar data values together and minimizes the need for frequent index updates. Experimental results indicate that the performance of the proposed index... (More)
- A primary functionality of context aware applications is the retrieval of different types of context data from various context sources and adapting their behavior accordingly. In order to facilitate context aware application development, a context aware middleware must provide an effective context data management and lookup strategy. The use of a traditional index for indexing dynamic context data is not feasible due to the high update overhead. In this paper, we propose a context data indexing mechanism that utilizes the statistical properties of data viz. the mean and variance to cluster similar data values together and minimizes the need for frequent index updates. Experimental results indicate that the performance of the proposed index structure is satisfactory with respect to the query response time and query accuracy together with a low maintenance overhead. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/7990473
- author
- Sen, Shubhabrata LU and Pung, Hung Keng
- organization
- publishing date
- 2012
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- Context-awareness, Dynamic data, Context data management, Context Lookup
- host publication
- Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
- volume
- 104
- pages
- 101 - 112
- publisher
- Springer
- conference name
- Eighth Annual International Conference on Mobile and Ubiquitous Systems:Computing, Networking and Services (MobiQuitous 2011)
- conference location
- Copenhagen, Denmark
- conference dates
- 2011-12-06 - 2011-12-09
- external identifiers
-
- scopus:84869598495
- ISSN
- 1867-8211
- ISBN
- 978-3-642-30973-1
- DOI
- 10.1007/978-3-642-30973-1_9
- language
- English
- LU publication?
- no
- id
- 26eea763-e57c-4723-abe1-8e156e6d4203 (old id 7990473)
- date added to LUP
- 2016-04-01 13:54:37
- date last changed
- 2022-01-27 21:49:16
@inproceedings{26eea763-e57c-4723-abe1-8e156e6d4203,
abstract = {{A primary functionality of context aware applications is the retrieval of different types of context data from various context sources and adapting their behavior accordingly. In order to facilitate context aware application development, a context aware middleware must provide an effective context data management and lookup strategy. The use of a traditional index for indexing dynamic context data is not feasible due to the high update overhead. In this paper, we propose a context data indexing mechanism that utilizes the statistical properties of data viz. the mean and variance to cluster similar data values together and minimizes the need for frequent index updates. Experimental results indicate that the performance of the proposed index structure is satisfactory with respect to the query response time and query accuracy together with a low maintenance overhead.}},
author = {{Sen, Shubhabrata and Pung, Hung Keng}},
booktitle = {{Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering}},
isbn = {{978-3-642-30973-1}},
issn = {{1867-8211}},
keywords = {{Context-awareness; Dynamic data; Context data management; Context Lookup}},
language = {{eng}},
pages = {{101--112}},
publisher = {{Springer}},
title = {{A Mean-Variance Based Index for Dynamic Context Data Lookup}},
url = {{http://dx.doi.org/10.1007/978-3-642-30973-1_9}},
doi = {{10.1007/978-3-642-30973-1_9}},
volume = {{104}},
year = {{2012}},
}