@article{Manghi_Artini_Bardi_Atzori_La Bruzzo_Mikulicic_2014, title={High-Performance Annotation Tagging over Solr Full-text Indexes}, volume={33}, url={https://ital.corejournals.org/index.php/ital/article/view/4633}, DOI={10.6017/ital.v33i3.4633}, abstractNote={<p class="p1">In this work, we focus on the problem of “annotation tagging” over Information <span style="font-size: 10px;">Spaces of objects stored in a full-text index. In such a scenario, tags are </span><span style="font-size: 10px;">assigned to objects by “data curator” users with the purpose of classification, while </span><span style="font-size: 10px;">generic end-users will perceive tags as searchable and browsable object properties. </span><span style="font-size: 10px;">To carry out their activities, data curators need “annotation tagging tools” which </span><span style="font-size: 10px;">allow them to “bulk” tag or untag large sets of objects in temporary work sessions, </span><span style="font-size: 10px;">where they can “virtually” and in “real-time” experiment the effect of their actions </span><span style="font-size: 10px;">before making the changes visible to end-users. The implementation of these tools </span><span style="font-size: 10px;">over full-text indexes is a challenge, since bulk object updates in this context are </span><span style="font-size: 10px;">far from being real-time and in critical cases may slow down index performance. </span><span style="font-size: 10px;">We devised TagTick, a tool which offers to data curators a fully functional annotation </span><span style="font-size: 10px;">tagging environment over the full-text index Apache Solr, regarded as a </span><span style="font-size: 10px;">“de-facto standard” in this area. TagTick consists of a TagTick Virtualizer module, </span><span style="font-size: 10px;">which extends the APIs of Solr to support real-time, virtual, bulk-tagging operations, </span><span style="font-size: 10px;">and a TagTick User Interface module, which offers end-user functionalities </span><span style="font-size: 10px;">for annotation tagging. The tool scales optimally with the number and size of bulk </span><span style="font-size: 10px;">tag operations, without compromising index performance.</span></p>}, number={3}, journal={Information Technology and Libraries}, author={Manghi, Paolo and Artini, Michele and Bardi, Alessia and Atzori, Claudio and La Bruzzo, Sandro and Mikulicic, Marko}, year={2014}, month={Sep.}, pages={22–44} }