Data structures for path queries

M He, JI Munro, G Zhou - ACM Transactions on Algorithms (TALG), 2016 - dl.acm.org
… In this article, we design data structures to maintain a weighted tree on nnodes such that we
path queries. We consider path counting, path reporting, path median, and path selection …

Index structures for path expressions

T Milo, D Suciu - International Conference on Database Theory, 1999 - Springer
… , path queries replace the simpler associative queries. Several data structures have been
proposed for answering path … latter case we will refer to the query by giving only the query path. …

Succinct data structures for path queries

M He, JI Munro, G Zhou - European Symposium on Algorithms, 2012 - Springer
… In this paper, we design succinct data structures to maintain a weighted tree T such that we
path queries. We consider path counting, path reporting, path median, and path selection …

Path queries in weighted trees

M He, JI Munro, G Zhou - International Symposium on Algorithms and …, 2011 - Springer
… In addition, we present a data structure that answers path reporting queriesdata structures
to maintain a weighted tree T on n nodes such that we can support the following path queries

Path query data structures in practice

M He, S Kazi - arXiv preprint arXiv:2001.10567, 2020 - arxiv.org
… Our data structures, which use tree extraction, heavy-path … Our succinct data structures are
further specialized to be … , we show that succinct data structures for path queries may present a …

An external memory data structure for shortest path queries

D Hutchinson, A Maheshwari, N Zeh - International Computing and …, 1999 - Springer
… We present results related to satisfying shortest path queries … external memory so that
bottom-up paths can be traversed I/O-… data structure that allows for answering shortest path

Shortest-path queries in static networks

C Sommer - ACM Computing Surveys (CSUR), 2014 - dl.acm.org
… algorithm is allowed to return an approximate shortest path, the worst-case accuracy (often …
-path query processing method raises questions such as: How can these data structures be …

An optimal data structure for shortest rectilinear path queries in a simple rectilinear polygon

S Schuierer - International Journal of Computational Geometry & …, 1996 - World Scientific
data structure that allows to preprocess a. rectilinear polygon with n vertices such that, for any
two query points, the shortest path … of the shortest path. If only the distance is of interest, the …

Path queries on compressed XML

P Buneman, M Grohe, C Koch - Proceedings 2003 VLDB Conference, 2003 - Elsevier
… However, it must be stressed that these formalisms preserve nei- ther structure nor order of
a database instance; they are intended as auxiliary data structures for query opt- mization. In …

A new data structure for shortest path queries in a simple polygon

J Hershberger - Information Processing Letters, 1991 - Elsevier
data structure for answering shortest path queries inside a simple polygon. The new data
structure has the same asymptotic performance as the previously known data structure (linear …