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Data Warehousing and OLAP - NYU
control, recovery. » Warehouse—tuned for OLAP: complex OLAP queries, ..... Determine which materialized cuboid(s) should be selected for OLAP op. » Let the ...

Data Warehouse and OLAP. Methodologies, Algorithms, Trends
OLAP queries are complex aggregated computation queries over large data set. Speed is pri- ..... extend SQL to support important OLAP op- erations directly.

High-Dimensional OLAP: A Minimal Cubing Approach - Jiawei Han
OLAP in high-dimensional space. Although a data cube may contain many dimensions, most OLAP op- erations are performed only on a small number of di- .

Online Analytical Processing (OLAP) for Decision - Springer Link
the OLAP systems and analytical data repositories is covered. Then, an ..... user now has the option to perform any of the three above-listed basic OLAP op-.

een kort overzicht van data warehousing en olap - Département d
"OLAP (Online Analytical Processing)" en "data mining". ... op de automatisatie van repetitieve taken (of ... Het exploreren van de gegevens op zoek naar.

Veri Ambarları ve OLAP - Dr. Sadi Evren SEKER
Data Warehouse Modeling: Data Cube and OLAP .... Determine which materialized cuboid(s) should be selected for OLAP op. – Let the query to be processed ...

Interacting with Statistical Linked Data via OLAP - AIFB - KIT
For that, we first define projection, slice, dice and roll-up op- erations on single ... OLAP requires a model of data cubes, dimensions, and measures. Automat-.

Top-k Queries in Uncertain OLAP - UMD Department of Computer
Top-k is the most important query type in OLAP, a common data warehouses model. ..... higher. Algorithm 1 T op (Rank k,DataSet D) → ({c1, ..., ck};prob).

Integrating OLAP and Ranking: The Ranking-Cube Methodology∗
we discuss the problem of integrating OLAP and rank- ... OLAP operations, such as drill-down, roll-up, ... ing an essential role in implementing fast OLAP op-.

QB4OLAP: A New Vocabulary for OLAP Cubes on the Semantic
in QB can be analyzed à la OLAP using the QB4OLAP vocabulary, and vice ..... The Open Cube vocabulary overcomes the problems of QB to support OLAP op-.

A plan for OLAP - OpenProceedings.org
Mar 22, 2010 ... light of complex OLAP queries and as reporting facility for operative data. We argue that business planning as a means to generate plan data is ...

A generic data model and query language for spatiotemporal OLAP
Mar 26, 2012 ... continuous spatiotemporal data and OLAP cubes together, using just the ..... the OLAP operators, with emphasis on the Drill-Across op- erator ...

“OLAP” stand for Linear Algebra - Universidade do Minho
This offers much potential for parallel OLAP, as such matrix op- erations have a well-defined parallelization theory. Last but not least, the approach offers a ...

Data Blocks: Hybrid OLTP and OLAP on Compressed - TUM
OLAP running against the same database state and storage backend. Our primary .... This work showed only modest benefits of JIT integrated into vectorized op-.

Visual Mobility Analysis using T-Warehouse - SoftNet
insights, like discovering popular movements. DWs are optimized for OLAP op- erations that include the aggregation or de-aggregation of information (called.

Design and Implementation of a Scalable Parallel System for
dimensional databases are suitable for OLAP and data min- ing since these applications require dimension oriented op- erations on data. Traditional ...

Realizing a Process Cube Allowing for the Comparison of - Pure
3.2.2 Applying OLAP Operations to the Process Cube . ...... In comparison with its On-Line Transactional Processing (OLTP) counterpart, OLAP is op- timized for ...

Graph OLAP: Towards Online Analytical - UCSB Computer Science
Graph OLAP: Towards Online Analytical Processing on Graphs. ∗. Chen Chen1 .... by car, by train, by air, by water., etc., and each way is op- erated by multiple ...

IBM Cognos 10 Dynamic Query Mode OLAP Migration Scenarios
When using an OLAP-based package, a report with nonadjacent levels from ..... OP-ERR-0210 The summary filter scope (Product line) found in the query.

Modeling and Querying Data Cubes on the Semantic Web
Dec 18, 2015 ... produce a SPARQL implementation of the main OLAP op- erators over QB4OLAP data cubes. That is, an OLAP user would not need to have ...