
By ChengXiang Zhai (auth.), Giambattista Amati, Fabio Crestani (eds.)
This ebook constitutes the refereed court cases of the 3rd overseas convention at the thought of data Retrieval, ICTIR 2011, held in Bertinoro, Italy, in September 2011. The 25 revised complete papers and thirteen brief papers provided including the abstracts of 2 invited talks have been conscientiously reviewed and chosen from sixty five submissions. The papers conceal themes starting from question growth, co-occurence research, consumer and interactive modelling, approach functionality prediction and comparability, and probabilistic techniques for score and modelling IR to issues on the topic of interdisciplinary ways or purposes. they're equipped into the next topical sections: predicting question functionality; latent semantic research and be aware co-occurrence research; question enlargement and re-ranking; comparability of knowledge retrieval structures and approximate seek; likelihood score precept and possible choices; interdisciplinary techniques; person and relevance; outcome diversification and question disambiguation; and logical operators and descriptive approaches.
Read or Download Advances in Information Retrieval Theory: Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings PDF
Best international books
This quantity contains prolonged and revised types of a collection of chosen papers from the overseas convention on electrical and Electronics (EEIC 2011) , hung on June 20-22 , 2011, that's together equipped by way of Nanchang collage, Springer, and IEEE IAS Nanchang bankruptcy. the target of EEIC 2011 quantity three is to supply an incredible interdisciplinary discussion board for the presentation of latest methods from electrical energy structures and pcs, to foster integration of the most recent advancements in medical examine.
This factor marks the tenth anniversary of "The Shakespearean foreign Yearbook". in this party, the designated part celebrates the fulfillment of senior Shakespearean student Robert Weimann, whose paintings at the Elizabethan theatre and early sleek functionality tradition has so encouraged modern scholarship.
This publication constitutes the completely refereed post-conference lawsuits of the 14th foreign assembly on DNA Computing, DNA 14, held in Prague, Czech Republic, in June 2008. The 15 revised complete papers provided have been conscientiously reviewed and chosen from fifty nine submissions. Their subject matters comprise theoretical types of biomolecular computing, demonstrations of biomolecular computing procedures, self-assembly structures, DNA nanostructures and nanomachines, biotechnological and different functions of DNA computing, and different comparable topics.
This is the 1st of a two-volume set (LNCS 8021 and 8022) that constitutes the refereed court cases of the fifth foreign convention on digital, Augmented and combined truth, VAMR 2013, held as a part of the fifteenth foreign convention on Human-Computer interplay, HCII 2013, held in Las Vegas, united states in July 2013, together with 12 different thematically comparable meetings.
- Hitler's Crusade: Bolshevism and the Myth of the International Jewish Conspiracy
- Information and Process Integration in Enterprises: Rethinking Documents
- Motion in Games: First International Workshop, MIG 2008, Utrecht, The Netherlands, June 14-17, 2008. Revised Papers
- Modeling and Using Context: 8th International and Interdisciplinary Conference, CONTEXT 2013, Annecy, France, October 28 -31, 2013, Proceedings
Additional resources for Advances in Information Retrieval Theory: Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings
Example text
We believe the difference in correlation for CBF and IB recommenders may be explained considering two factors: the actual recommender performance, and the input sources used by the recommender. With regards to the first factor, the IB algorithm performs poorly (in terms of the considered ranking quality metrics, such as nDCG and MAP) in comparison to the rest of recommenders. It seems natural that a good predictor for a well performing algorithm (specifically, TF-L2 is the best performing recommender in this context) would hardly correlate at the same time with a poorly performing one.
On Knowl. and Data Eng. 17(6), 734–749 (2005) 2. : Query difficulty, robustness, and selective application of query expansion. I. ) ECIR 2004. LNCS, vol. 2997, pp. 127–137. Springer, Heidelberg (2004) 3. : A performance prediction approach to enhance collaborative filtering performance. , van Rijsbergen, K. ) ECIR 2010. LNCS, vol. 5993, pp. 382–393. Springer, Heidelberg (2010) 4. : Text retrieval methods for item ranking in collaborative filtering. , Mudoch, V. ) ECIR 2011. LNCS, vol. 6611, pp.
In the following, we define different user performance predictors, whose main goal is to infer how good or bad the system is expected to perform for a given user. We propose a fairly general adaptation of query clarity, which may be instantiated in different models, depending on the input spaces considered. Specifically, our adaptation of query clarity has the following formulation: clarity | log | (1) 30 A. Bellogín, P. Castells, and I. Cantador As we can observe, the clarity formulation strongly depends on a “vocabulary” space , which further constrains the user-conditioned model (or user model for short) | , and the background probability .