-
dbis
-
Publications
-
2008
-
Dependable Cardinality Forecasts for XQuery
VLDB 2008 Reviews
with DB2 pureXML cost-based optimization as described in [2]. The remark in the related work section that DB2 optimizer is limited to twigs in XPath surface language is not true. Both System RX and DB2 pureXML [...] (please number them S1, S2, S3 in order of importance; if none, wite "none") S1. Provides a detailed description of cardinality estimation process for a useful subset of XQuery. S2. Experiments with XMark [...] weak points of the paper (please number them W1, W2, W3 in order of importance; if none, write "none") W1. Motivation for this work is somewhat incomplete. W2. Experimental evaluation is not sufficient. W3 …