Journal ArticleDOI
Lore: a database management system for semistructured data
Jason G. McHugh,Serge Abiteboul,Roy Goldman,Dallas Quass,Jennifer Widom +4 more
- Vol. 26, Iss: 3, pp 54-66
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TLDR
This paper provides an overview of these aspects of the Lore system, as well as other novel features such as dynamic structural summaries and seamless access to data from external sources.Abstract:
Lore (for Lightweight Object Repository) is a DBMS designed specifically for managing semistructured information. Implementing Lore has required rethinking all aspects of a DBMS, including storage management, indexing, query processing and optimization, and user interfaces. This paper provides an overview of these aspects of the Lore system, as well as other novel features such as dynamic structural summaries and seamless access to data from external sources.read more
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Book ChapterDOI
TENTACLE: A Database System for the World Wide Web
Marc G. Welz,Peter T. Wood +1 more
TL;DR: TentACLE is described, a database system which achieves a tighter integration between web server and database by implementing a web server in the TENTACLE database process itself, avoiding complex translations and performance penalties.
Dissertation
Effective Methods of Semantic Analysis in Spatial Contexts
Dos Santos,Raimundo Fonseca +1 more
TL;DR: This research studies semantic techniques of data analysis in spatial contexts that are able to identify relationships that are not explicitly written down and represents different methods on how to relate spatial entities or sequences of entities.
An optimization of the structure of databases
Vladimir Rybinkin,Roman Lukatsky +1 more
TL;DR: The iterative change of structure of a real database by means of described technology is executed and the result of this alteration was transformation of initial array of semistructured data into set of relations.
Book ChapterDOI
Element algebra
TL;DR: An element algebra supporting the element calculus is proposed, which considers algebraic expressions as mappings and the input and output of the algebra are xdm-elements.
Proceedings Article
Implementation of a Time-Out Based Locking Algorithm for Mobile Transactions in XML Databases.
TL;DR: This paper proposes a new concurrency control algorithm for mobile XML databases with time-out based locking mechanism and addressing long-lived transactions and shows how highly concurrent mobile transactions for XML documents can be achieved assuring serializability.
References
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Journal ArticleDOI
Federated database systems for managing distributed, heterogeneous, and autonomous databases
Amit P. Sheth,James A. Larson +1 more
TL;DR: In this paper, the authors define a reference architecture for distributed database management systems from system and schema viewpoints and show how various FDBS architectures can be developed, and define a methodology for developing one of the popular architectures of an FDBS.
Journal ArticleDOI
Query evaluation techniques for large databases
TL;DR: This survey describes a wide array of practical query evaluation techniques for both relational and postrelational database systems, including iterative execution of complex query evaluation plans, the duality of sort- and hash-based set-matching algorithms, types of parallel query execution and their implementation, and special operators for emerging database application domains.
Proceedings Article
DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases
Roy Goldman,Jennifer Widom +1 more
TL;DR: The theoretical foundations of DataGuides are presented along with an algorithm for their creation and an overview of incremental maintenance, and performance results based on the implementation of dataGuides in the Lore DBMS for semistructured data are provided.
Journal ArticleDOI
The Lorel Query Language for Semistructured Data
TL;DR: The main novelties of the Lorel language are the extensive use of coercion to relieve the user from the strict typing of OQL, which is inappropriate for semistructured data; and powerful path expressions, which permit a flexible form of declarative navigational access and are particularly suitable when the details of the structure are not known to the user.
Book
The object database standard: ODMG 2.0
R. G. G. Cattell,Douglas K. Barry,Dirk Bartels,Mark Berler,Jeff Eastman,Sophie Gamerman,David Jordan,Adam Springer,Henry Strickland,Drew Wade +9 more
TL;DR: With this book, standards are defined for object management systems and this will be the foundational book for object-oriented database product.