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SIGIR
2011
ACM
12 years 11 months ago
Faster top-k document retrieval using block-max indexes
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
Shuai Ding, Torsten Suel
IPAW
2010
13 years 6 months ago
Provenance of Software Development Processes
Abstract. "Why does the build fail currently?" - This and similar questions arise on a daily basis in software development processes (SDP). There is no easy way to answer...
Heinrich Wendel, Markus Kunde, Andreas Schreiber
DASFAA
2004
IEEE
95views Database» more  DASFAA 2004»
14 years 17 days ago
On Incorporating Iceberg Queries in Query Processors
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
Krishna P. Leela, Pankaj M. Tolani, Jayant R. Hari...
SIGIR
2010
ACM
14 years 18 days ago
Query recovery of short user queries: on query expansion with stopwords
User queries to search engines are observed to predominantly contain inflected content words but lack stopwords and capitalization. Thus, they often resemble natural language que...
Johannes Leveling, Gareth J. F. Jones
DBPL
2007
Springer
75views Database» more  DBPL 2007»
14 years 3 months ago
Querying Structural and Behavioral Properties of Business Processes
BPQL is a novel query language for querying business process specifications, introduced recently in [5, 6]. It is based on an intuitive business processes as rewriting systems, an...
Daniel Deutch, Tova Milo