1. Introduction to the special issue on database and information retrieval integration

   • W. Bruce Croft
   • Hans-J. Schek

   Guest Editorial 06 November 2007 Pages: 1 - 3

2. Modelling retrieval models in a probabilistic relational algebra with a new operator: the relational Bayes

   • Thomas Roelleke
   • Hengzhi Wu
   • Hany Azzam

   Special Issue Paper 12 October 2007 Pages: 5 - 37

3. QQL: A DB&IR Query Language

   • Ingo Schmitt

   Special Issue Paper 22 August 2007 Pages: 39 - 56

4. A multi-ranker model for adaptive XML searching

   • Ho Lam Lau
   • Wilfred Ng

   Special Issue Paper 01 September 2007 Pages: 57 - 80

5. TopX: efficient and versatile top-k query processing for semistructured data

   • Martin Theobald
   • Holger Bast
   • Gerhard Weikum

   Special Issue Paper Open access 12 October 2007 Pages: 81 - 115

6. Précis: from unstructured keywords as queries to structured databases as answers

   • Alkis Simitsis
   • Georgia Koutrika
   • Yannis Ioannidis

   Special Issue Paper 09 November 2007 Pages: 117 - 149

7. Flexible and efficient IR using array databases

   • Roberto Cornacchia
   • Sándor Héman
   • Peter Boncz

   Special Issue Paper Open access 29 September 2007 Pages: 151 - 168