On supporting containment queries in relational database management systems
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Storing and querying ordered XML using a relational database system
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Indexing and Querying XML Data for Regular Path Expressions
Proceedings of the 27th International Conference on Very Large Data Bases
ViST: a dynamic index method for querying XML data by tree structures
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
XPRESS: a queriable compression for XML data
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
PRIX: Indexing And Querying XML Using Prüfer Sequences
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
A Prime Number Labeling Scheme for Dynamic Ordered XML Trees
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
Temporal management of RFID data
VLDB '05 Proceedings of the 31st international conference on Very large data bases
Supporting RFID-based item tracking applications in Oracle DBMS using a bitmap datatype
VLDB '05 Proceedings of the 31st international conference on Very large data bases
Warehousing and Analyzing Massive RFID Data Sets
ICDE '06 Proceedings of the 22nd International Conference on Data Engineering
Adaptive cleaning for RFID data streams
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
A deferred cleansing method for RFID data analytics
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
Flowcube: constructing RFID flowcubes for multi-dimensional analysis of commodity flows
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
IEEE Internet Computing
Towards Traceability across Sovereign, Distributed RFID Databases
IDEAS '06 Proceedings of the 10th International Database Engineering and Applications Symposium
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Bridging physical and virtual worlds: complex event processing for RFID data streams
EDBT'06 Proceedings of the 10th international conference on Advances in Database Technology
Time parameterized interval r-tree for tracing tags in RFID systems
DEXA'05 Proceedings of the 16th international conference on Database and Expert Systems Applications
Incremental aggregation of RFID data
IDEAS '09 Proceedings of the 2009 International Database Engineering & Applications Symposium
Put all eggs in one basket: an OLTP and OLAP database approach for traceability data
Proceedings of the Fourth SIGMOD PhD Workshop on Innovative Database Research
Efficient continuous scanning in RFID systems
INFOCOM'10 Proceedings of the 29th conference on Information communications
Counting RFID tags efficiently and anonymously
INFOCOM'10 Proceedings of the 29th conference on Information communications
Online pattern aggregation over RFID data streams
WAIM'10 Proceedings of the 11th international conference on Web-age information management
Efficient similarity query in RFID trajectory databases
WAIM'10 Proceedings of the 11th international conference on Web-age information management
RFID enabled traceability networks: a survey
Distributed and Parallel Databases
RFID data analysis using tensor calculus for supply chain management
Proceedings of the 20th ACM international conference on Information and knowledge management
Developing RFID database models for analysing moving tags in supply chain management
ER'11 Proceedings of the 30th international conference on Conceptual modeling
Query answering on trajectory cuboids using prime numbers encodings
Proceedings of the 15th Symposium on International Database Engineering & Applications
Efficient and effective query answering for trajectory cuboids
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
An improved data warehouse model for RFID data in supply chain
ACIIDS'12 Proceedings of the 4th Asian conference on Intelligent Information and Database Systems - Volume Part I
An approximate duplicate elimination in RFID data streams
Data & Knowledge Engineering
Every bit counts: fast and scalable RFID estimation
Proceedings of the 18th annual international conference on Mobile computing and networking
Warehousing and querying trajectory data streams with error estimation
Proceedings of the fifteenth international workshop on Data warehousing and OLAP
Get tracked: a triple store for RFID traceability data
ADBIS'12 Proceedings of the 16th East European conference on Advances in Databases and Information Systems
A proposal of storage scheme for supply chain management
Proceedings of the 14th International Conference on Information Integration and Web-based Applications & Services
Probabilistic optimal tree hopping for RFID identification
Proceedings of the ACM SIGMETRICS/international conference on Measurement and modeling of computer systems
RFID-data compression for supporting aggregate queries
ACM Transactions on Database Systems (TODS)
Sequential pattern mining from trajectory data
Proceedings of the 17th International Database Engineering & Applications Symposium
Fast tag searching protocol for large-scale RFID systems
IEEE/ACM Transactions on Networking (TON)
Approximation trade-offs in a Markovian stream warehouse: An empirical study
Information Systems
Frequent episode mining within the latest time windows over event streams
Applied Intelligence
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As the size of an RFID tag becomes smaller and the price of the tag gets lower, RFID technology has been applied to a wide range of areas. Recently, RFID has been adopted in the business area such as supply chain management. Since companies can get movement information for products easily using the RFID technology, it is expected to revolutionize supply chain management. However, the amount of RFID data in supply chain management is huge. Therefore, it requires much time to extract valuable information from RFID data for supply chain management. In this paper, we define query templates for tracking queries and path oriented queries to analyze the supply chain. We then propose an effective path encoding scheme to encode the flow information for products. To retrieve the time information for products efficiently, we utilize a numbering scheme used in the XML area. Based on the path encoding scheme and the numbering scheme, we devise a storage scheme to process tracking queries and path oriented queries efficiently. Finally, we propose a method which translates the queries to SQL queries. Experimental results show that our approach can process the queries efficiently. On the average, our approach is about 680 times better than a recent technique in terms of query performance.