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PVLDB
2010
149views more  PVLDB 2010»
13 years 5 months ago
GRAIL: Scalable Reachability Index for Large Graphs
Given a large directed graph, rapidly answering reachability queries between source and target nodes is an important problem. Existing methods for reachability trade-off indexing ...
Hilmi Yildirim, Vineet Chaoji, Mohammed Javeed Zak...
DCC
2010
IEEE
14 years 2 months ago
LZ77-Like Compression with Fast Random Access
We introduce an alternative Lempel-Ziv text parsing, LZ-End, that converges to the entropy and in practice gets very close to LZ77. LZ-End forces sources to finish at the end of ...
Sebastian Kreft, Gonzalo Navarro
CIKM
2009
Springer
14 years 1 months ago
Dynamic in-page logging for flash-aware B-tree index
This paper presents Dynamic IPL B+ -tree (d-IPL in short) as a B+ -tree index variant for flash-based storage systems. The d-IPL B+ -tree adopts a dynamic In-Page Logging (IPL) s...
Gap-Joo Na, Sang-Won Lee, Bongki Moon
ICDE
2008
IEEE
168views Database» more  ICDE 2008»
14 years 1 months ago
Index Design for Dynamic Personalized PageRank
Personalized PageRank, related to random walks with restarts and conductance in resistive networks, is a frequent search paradigm for graph-structured databases. While efficient ba...
Amit Pathak, Soumen Chakrabarti, Manish S. Gupta
ERSHOV
2009
Springer
13 years 11 months ago
Indexing Dense Nested Metric Spaces for Efficient Similarity Search
Abstract. Searching in metric spaces is a very active field since it offers methods for indexing and searching by similarity in collections of unstructured data. These methods sele...
Nieves R. Brisaboa, Miguel Rodríguez Luaces...