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PODC
2010
ACM
13 years 9 months ago
On the computational power of oblivious robots: forming a series of geometric patterns
We study the computational power of a distributed system consisting of simple autonomous robots moving on the plane. The robots are endowed with visual perception but do not have ...
Shantanu Das, Paola Flocchini, Nicola Santoro, Mas...
TCS
2008
13 years 7 months ago
Arbitrary pattern formation by asynchronous, anonymous, oblivious robots
From an engineering point of view, the problem of coordinating a set of autonomous, mobile robots for the purpose of cooperatively performing a task has been studied extensively o...
Paola Flocchini, Giuseppe Prencipe, Nicola Santoro...
PODS
2011
ACM
238views Database» more  PODS 2011»
12 years 10 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
CICLING
2003
Springer
14 years 19 days ago
An Evaluation of a Lexicographer's Workbench Incorporating Word Sense Disambiguation
NLPsystem developers and corpus lexicographers would both bene t from a tool for nding and organizing the distinctive patterns of use of words in texts. Such a tool would be an ass...
Adam Kilgarriff, Rob Koeling
NIPS
2001
13 years 8 months ago
Natural Language Grammar Induction Using a Constituent-Context Model
This paper presents a novel approach to the unsupervised learning of syntactic analyses of natural language text. Most previous work has focused on maximizing likelihood according...
Dan Klein, Christopher D. Manning