Sciweavers

287 search results - page 29 / 58
» Supporting Top-K Keyword Search in XML Databases
Sort
View
SIGMOD
2005
ACM
123views Database» more  SIGMOD 2005»
15 years 3 months ago
Magnet: Supporting Navigation in Semistructured Data Environments
With the growing importance of systems containing arbitrary semistructured relationships, the need for supporting users searching in such repositories has grown. Currently support...
Vineet Sinha, David R. Karger
EDBT
2004
ACM
133views Database» more  EDBT 2004»
15 years 9 months ago
HOPI: An Efficient Connection Index for Complex XML Document Collections
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
Ralf Schenkel, Anja Theobald, Gerhard Weikum
ICDE
2010
IEEE
209views Database» more  ICDE 2010»
15 years 4 months ago
TopCells: Keyword-based search of top-k aggregated documents in text cube
— Previous studies on supporting keyword queries in RDBMSs provide users with a ranked list of relevant linked structures (e.g. joined tuples) or individual tuples. In this paper...
Bolin Ding, Bo Zhao, Cindy Xide Lin, Jiawei Han, C...
ADC
2008
Springer
114views Database» more  ADC 2008»
14 years 11 months ago
An Integrated Access Control for Securely Querying and Updating XML Data
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
Maggie Duong, Yanchun Zhang
CIKM
2009
Springer
15 years 4 months ago
Workload-aware trie indices for XML
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
Yuqing Wu, Sofia Brenes, Hyungdae Yi