76 citations · 135 across the 13 of their papers we have counts for
15 papers
Index and Materialized View Selection in Data Warehouses
Kamel Aouiche, Jérôme Darmont
The aim of this article is to present an overview of the major families of state-of-the-art index and materialized view selection methods, and to discuss the issues and future tren…
Web 2.0 OLAP: From Data Cubes to Tag Clouds
Kamel Aouiche, Daniel Lemire, Robert Godin
Increasingly, business projects are ephemeral. New Business Intelligence tools must support ad-lib data sources and quick perusal. Meanwhile, tag clouds are a popular community-dri…
Sorting improves word-aligned bitmap indexes
Daniel Lemire, Owen Kaser, Kamel Aouiche
Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, we use techniques based on run-…
Frequent itemsets mining for database auto-administration
Kamel Aouiche, Jérôme Darmont, Le Gruenwald
With the wide development of databases in general and data warehouses in particular, it is important to reduce the tasks that a database administrator must perform manually. The ai…
A Join Index for XML Data Warehouses
Hadj Mahboubi, Kamel Aouiche, Jérôme Darmont
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native-XML database management systems (DBMSs) currently bear li…
Dynamic index selection in data warehouses
Stéphane Azefack, Kamel Aouiche, Jérôme Darmont
Analytical queries defined on data warehouses are complex and use several join operations that are very costly, especially when run on very large data volumes. To improve response…