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CCCG
2009
13 years 9 months ago
Data Structures for Range Aggregation by Categories
We solve instances of a general class of problems defined as follows: Preprocess a set S of possibly weighted colored geometric objects (e.g. points/orthogonal segments/rectangles...
Saladi Rahul, Prosenjit Gupta, K. S. Rajan
IAJIT
2008
123views more  IAJIT 2008»
13 years 8 months ago
Vectorial Information Structuring for Documents Filtering and Diffusion
: Information retrieval tries to identify relevant documents for an information need. The problems that an IR system should deal with include document indexing (which tries to extr...
Omar Nouali, Abdelghani Krinah
DCC
2006
IEEE
14 years 7 months ago
Compressed Data Structures: Dictionaries and Data-Aware Measures
Abstract. We propose measures for compressed data structures, in which space usage is measured in a data-aware manner. In particular, we consider the fundamental dictionary problem...
Ankur Gupta, Wing-Kai Hon, Rahul Shah, Jeffrey Sco...
ESA
2003
Springer
58views Algorithms» more  ESA 2003»
14 years 1 months ago
Kinetic Dictionaries: How to Shoot a Moving Target
A kinetic dictionary is a data structure for storing a set S of continuously moving points on the real line, such that at any time we can quickly determine for a given query point ...
Mark de Berg
EDBT
2008
ACM
137views Database» more  EDBT 2008»
14 years 8 months ago
Synthesizing structured text from logical database subsets
In the classical database world, information access has been based on a paradigm that involves structured, schema-aware, queries and tabular answers. In the current environment, h...
Alkis Simitsis, Georgia Koutrika, Yannis Alexandra...