"Cache and carry" for location management in mobile information systems

Research output: Contribution to journalArticlepeer-review


Recent development of hardware technologies such as communication medium which advances from wired to wireless has led to the emergence of mobile information systems. A major problem in such a mobile information system is how to locate mobile clients. This is named the location management issue. Two major costs are involved in managing a mobile client's location: the movement cost and the locating cost. Past methods can only minimize one of the two costs, but not both. The major contribution of this paper is to present methods that minimize both costs simultaneously. Our performance analysis proves that the proposed methods are superior to the past ones.

Original languageEnglish
Pages (from-to)165-192
Number of pages28
JournalDistributed and Parallel Databases
Issue number2
Publication statusPublished - 2004 Sept

All Science Journal Classification (ASJC) codes

  • Software
  • Information Systems
  • Hardware and Architecture
  • Information Systems and Management


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