| June 2009 | Vol. 32 No. 2 | 
  
IEEE Computer Society
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Letters | 
| Letter from the Editor-in-Chief | David Lomet | 1 | 
| Letter from the Special Issue Editor | Sihem Amer-Yahia | 2 | 
Special Issue on New Avenues in Search | 
| A Characterization of Online Search Behavior | Ravi Kumar, Andrew Tomkins | 3 | 
| Kosmix: Exploring the Deep Web using Taxonomies and Categorization | Anand Rajaraman | 12 | 
| Flexible Querying of Personal Information | Amélie Marian, Wei Wang | 20 | 
| iMeMex: From Search to Information Integration and Back |   | 
| Jens Dittrich, Marcos Antonio Vaz Salles, Lukas Blunschi | 28 | 
| Challenges, Techniques and Directions in Building XSeek: an XML Search Engine |   | 
| Ziyang Liu, Peng Sun, Yu Huang, Yichuan Cai, Yi Chen | 36 | 
| Searching Shared Content in Communities with the Data Ring | Serge Abiteboul, Neoklis Polyzotis | 44 | 
| The Social Future of Web Search: Modeling, Exploiting, and Searching Collaboratively Generated Content |   | 
| Eugene Agichtein, Evgeniy Gabrilovich, Hongyuan Zha | 52 | 
Announcements and Notices | 
| VLDB Conference | backcover |