Browsing by Author "Touma, Rizkallah"
Touma, Rizkallah; Queralt Calafat, Anna; Cortés, Toni (Elsevier, 2019-11-12)
Restricted access - publisher's policyData prefetching aims to improve access times to data storage systems by predicting data records that are likely to be accessed by subsequent requests and retrieving them into a memory cache before they are needed. In the ...
Touma, Rizkallah (Universitat Politècnica de Catalunya, 2019-01-25)
Open AccessData prefetching has long been used as a technique to improve access times to persistent data. It is based on retrieving data records from persistent storage to main memory before the records are needed. Data prefetching ...
Rico, Mariano; Touma, Rizkallah; Queralt Calafat, Anna; Pérez, María S. (2018)
Open AccessLinked Data repositories have become a popular source of publicly-available data. Users accessing this data through SPARQL endpoints usually launch several restrictive yet similar consecutive queries, either to find the ...
Touma, Rizkallah; Queralt Calafat, Anna; Cortés, Toni; Pérez Hernandez, María S. (Springer, 2017)
Open AccessIn this paper, we present a fully-automatic, high-accuracy approach to predict access to persistent objects through static code analysis of object-oriented applications. The most widely-used previous technique uses a simple ...
Touma, Rizkallah (Universitat Politècnica de Catalunya, 2015-09)
Touma, Rizkallah; Romero Moral, Óscar; Jovanovic, Petar (Association for Computing Machinery (ACM), 2015)
Restricted access - publisher's policyData integration aims to facilitate the exploitation of heterogeneous data by providing the user with a unified view of data residing in different sources. Currently, ontologies are commonly used to represent this unified ...