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SEBD
2007
90views Database» more  SEBD 2007»
13 years 9 months ago
Exploiting Peer Ontologies for Semantic Query Propagation
Silvana Castano, Alfio Ferrara, Stefano Montanelli
SEBD
2007
95views Database» more  SEBD 2007»
13 years 9 months ago
Query Optimisation for Web Data Sources: Minimisation of the Number of Accesses
Andrea Calì, Davide Martinenghi, Domenico C...
SBBD
2007
149views Database» more  SBBD 2007»
13 years 9 months ago
Embedding Similarity Joins into Native XML Databases
Similarity joins in databases can be used for several important tasks such as data cleaning and instance-based data integration. In this paper, we explore ways how to support such ...
Leonardo Ribeiro, Theo Härder
SBBD
2007
72views Database» more  SBBD 2007»
13 years 9 months ago
Similarity and Analogy over Application Domains
Abstract. Databases, particularly when storing heterogeneous, sparse semistructured data, tend to provide incomplete information and information which is difficult to categorize. T...
Simone Diniz Junqueira Barbosa, Karin Koogan Breit...
SBBD
2007
126views Database» more  SBBD 2007»
13 years 9 months ago
Constraint-based Tree Pattern Mining
Abstract. A lot of recent applications dealing with complex data require sophisticated data structures (trees or graphs) for their specification. Recently, several techniques for ...
Sandra de Amo, Nyara A. Silva, Ronaldo P. Silva, F...
SBBD
2007
97views Database» more  SBBD 2007»
13 years 9 months ago
Constrained Aggregate Similarity Queries in Metric Spaces
The optimization of similarity queries using metric access methods has been widely discussed in the last decades. Similarity queries consider one object as the query center, and re...
Humberto Luiz Razente, Maria Camila Nardini Barion...
SBBD
2007
148views Database» more  SBBD 2007»
13 years 9 months ago
Bulk-loading Dynamic Metric Access Methods
The main contribution of this paper is a bulk-loading algorithm for multi-way dynamic metric access methods based on the covering radius of a representative, like the Slim-tree. Th...
Thiago Galbiatti Vespa, Caetano Traina Jr., Agma J...
SBBD
2007
68views Database» more  SBBD 2007»
13 years 9 months ago
Querying Geographical Data Warehouses With GeoMDQL
Integrating geographical and multidimensional processing has been proposed in several researches in the database literature. One of the most important issues of this process is dat...
Joel da Silva, Ausberto S. Castro Vera, Anjolina G...
SBBD
2007
179views Database» more  SBBD 2007»
13 years 9 months ago
Assisting XML Schema Evolution that Preserves Validity
Abstract. We consider the problem of XML schema evolution preserving the validity of existing documents related to the original schema. The aim of such schema evolution is to fit ...
Béatrice Bouchou, Denio Duarte
SBBD
2007
165views Database» more  SBBD 2007»
13 years 9 months ago
Peer-to-Peer Information Search
We consider the network structure and query processing capabilities of social communities like bookmarks and photo sharing communities such as del.icio.us or flickr. A common fea...
Sebastian Michel, Josiane Xavier Parreira