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SPIRE
2001
Springer
13 years 8 months ago
On Compression of Parse Trees
We consider methods for compressing parse trees, especially techniques based on statistical modeling. We regard a sequence of productions corresponding to a suffix of the path fr...
Jorma Tarhio
SPIRE
2001
Springer
13 years 8 months ago
Speed-up of Aho-Corasick Pattern Matching Machines by Rearranging States
Thispaper describes speed-up of string pattern matchingby rearrangingstates inAho-Corasickpattern matching machine, which is a kind of afinite automaton. Werealized speed-up of st...
T. Nishimura, Shuichi Fukamachi, Takeshi Shinohara
SPIRE
2001
Springer
13 years 8 months ago
Adding Security to Compressed Information Retrieval Systems
Word-based Huffman coding has widespread use in information retrieval systems. Besides its compressing power, it also enables the implementation of both indexing and searching sch...
Ruy Luiz Milidiú, C. Gomes de Mello, J. Fer...
SPIRE
2001
Springer
13 years 8 months ago
Evaluation of N-grams Conflation Approach in Text-Based Information Retrieval
Abstract. This paper examines a conflation method based on the N-grams approach and evaluates its performance relative to the results achieved by other techniques such as Porter a...
S. Kosinov
SPIRE
2001
Springer
13 years 8 months ago
Musical Sequence Comparison for Melodic and Rhythmic Similarities
We address the problem of musical sequence comparison for melodic similarity. Starting with a very simple similarity measure, we improve it step-by-step to finally obtain an acce...
T. Kadota, Masahiro Hirao, Akira Ishino, Masayuki ...
SPIRE
2001
Springer
13 years 8 months ago
On-Line Construction of Symmetric Compact Directed Acyclic Word Graphs
The Compact Directed Acyclic Word Graph (CDAWG) is a space efficient data structure that supports indices of a string. The Symmetric Directed Acyclic Word Graph (SCDAWG) for a st...
Shunsuke Inenaga, Hiromasa Hoshino, Ayumi Shinohar...
SPIRE
2001
Springer
13 years 8 months ago
Exact Distribution of Deletion Sizes for Unavoidable Strings
We constructively prove the exact distribution of deletion sizes for unavoidable strings, under the reductive decidability method of Zimin and Bean et al. Bounds such as these on ...
Christine E. Heitsch
SPIRE
2001
Springer
13 years 8 months ago
Compaction Techniques for Nextword Indexes
Most queries to text search engines are ranked or Boolean. Phrase querying is a powerful technique for refining searches, but is expensive to implement on conventional indexes. I...
Dirk Bahle, Hugh E. Williams, Justin Zobel
SPIRE
2001
Springer
13 years 8 months ago
Relating Web Characteristics with Link Based Web Page Ranking
Ricardo A. Baeza-Yates, Carlos Castillo
SPIRE
2001
Springer
13 years 8 months ago
Distributed Query Processing Using Partitioned Inverted Files
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...
Claudine Santos Badue, Ricardo A. Baeza-Yates, Ber...