Ari Pirkola

	2009
31		Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola, Tarun Sharma, Marianne Lykke: Test Collection-Based IR Evaluation Needs Extension toward Sessions - A Case of Extremely Short Queries. AIRS 2009: 63-74
30		Ari Pirkola, Tuomas Talvensaari: Evaluating Global Link Structure of the Web for Focused Crawling in the Genomics and Genetics Domains. HEALTHINF 2009: 499-502
29		Ari Pirkola, Tuomas Talvensaari: Effects of Crawling Strategies on the Performance of Focused Web Crawling. WEBIST 2009: 376-381
	2008
28		Aki Loponen, Ari Pirkola, Kalervo Järvelin, Heikki Keskustalo: A Novel Implementation of the FITE-TRT Translation Method. ECIR 2008: 138-149
27		Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola, Jaana Kekäläinen: Intuition-supporting visualization of user's performance based on explicit negative higher-order relevance. SIGIR 2008: 675-682
26		Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola: Evaluating the effectiveness of relevance feedback based on a user simulation model: effects of a user scenario on cumulated gain value. Inf. Retr. 11(3): 209-228 (2008)
25		Tuomas Talvensaari, Ari Pirkola, Kalervo Järvelin, Martti Juhola, Jorma Laurikkala: Focused web crawling in the acquisition of comparable corpora. Inf. Retr. 11(5): 427-445 (2008)
	2007
24		Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kalervo Järvelin: Frequency-based identification of correct translation equivalents (FITE) obtained through transformation rules. ACM Trans. Inf. Syst. 26(1): (2007)
	2006
23		Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola: The Effects of Relevance Feedback Quality and Quantity in Interactive Relevance Feedback: A Simulation Based on User Modeling. ECIR 2006: 191-204
22		Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kalervo Järvelin: FITE-TRT: a high quality translation technique for OOV words. SAC 2006: 1043-1049
	2005
21		Ari Pirkola: TREC 2005 Genomics Track Experiments at UTA. TREC 2005
20		Jarmo Toivonen, Ari Pirkola, Heikki Keskustalo, Kari Visala, Kalervo Järvelin: Translating cross-lingual spelling variants using transformation rules. Inf. Process. Manage. 41(4): 859-872 (2005)
	2004
19		Ari Pirkola: TREC 2004 Genomics Track Experiments at UTA: The Effects of Primary Keys, Bigram Phrases and Query Expansion on Retrieval Performance. TREC 2004
18		Turid Hedlund, Eija Airio, Heikki Keskustalo, Raija Lehtokangas, Ari Pirkola, Kalervo Järvelin: Dictionary-Based Cross-Language Information Retrieval: Learning Experiences from CLEF 2000-2002. Inf. Retr. 7(1-2): 99-119 (2004)
	2003
17		Eija Airio, Heikki Keskustalo, Turid Hedlund, Ari Pirkola: The Impact of Word Normalization Methods and Merging Strategies on Multilingual IR. CLEF 2003: 74-84
16		Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kari Visala, Kalervo Järvelin: Fuzzy translation of cross-lingual spelling variants. SIGIR 2003: 345-352
15		Heikki Keskustalo, Ari Pirkola, Kari Visala, Erkka Leppänen, Kalervo Järvelin: Non-adjacent Digrams Improve Matching of Cross-Lingual Spelling Variants. SPIRE 2003: 252-265
14		Ari Pirkola, Erkka Leppänen: TREC 2003 Genomics Track Experiments at UTA: Query Expansion with Predefinded High Frequency Terms. TREC 2003: 796-805
13		Ari Pirkola, Deniz Puolamäki, Kalervo Järvelin: Applying query structuring in cross-language retrieval. Inf. Process. Manage. 39(3): 391-402 (2003)
	2002
12		Eija Airio, Heikki Keskustalo, Turid Hedlund, Ari Pirkola: Bilingual and Multilingual Runs with a Unified Process. CLEF 2002: 91-100
11		Ari Pirkola: CLIR Research at the University of Tampere: issue Editorial. Inf. Res. 7(2): (2002)
10		Ari Pirkola, Heikki Keskustalo, Erkka Leppänen, Antti-Pekka Känsälä, Kalervo Järvelin: Targeted s-gram matching: a novel n-gram matching technique for cross- and mono-lingual word form variants. Inf. Res. 7(2): (2002)
9		Ari Pirkola, Erkka Leppänen, Kalervo Järvelin: The RATF formula (Kwok's formula): exploiting average term frequency in cross-language retrieval. Inf. Res. 7(2): (2002)
	2001
8		Turid Hedlund, Heikki Keskustalo, Ari Pirkola, Eija Airio, Kalervo Järvelin: Utaclir @ CLEF 2001 - Effects of Compound Splitting and N-Gram Techniques. CLEF 2001: 118-136
7		Turid Hedlund, Ari Pirkola, Kalervo Järvelin: Aspects of Swedish morphology and semantics from the perspective of mono- and cross-language information retrieval. Inf. Process. Manage. 37(1): 147-161 (2001)
6		Ari Pirkola, Turid Hedlund, Heikki Keskustalo, Kalervo Järvelin: Dictionary-Based Cross-Language Information Retrieval: Problems, Methods, and Research Findings. Inf. Retr. 4(3-4): 209-230 (2001)
5		Ari Pirkola, Kalervo Järvelin: Employing the resolution power of search keys. JASIST 52(7): 575-583 (2001)
	2000
4		Turid Hedlund, Heikki Keskustalo, Ari Pirkola, Mikko Sepponen, Kalervo Järvelin: Bilingual Tests with Swedish, Finnish, and German Queries: Dealing with Morphology, Compound Words, and Query Structure. CLEF 2000: 210-223
	1999
3		Ari Pirkola, Heikki Keskustalo, Kalervo Järvelin: The Effects of Conjunction, Facet Structure, and Dictionary Combinations in Concept-Based Cross-Language Retrieval. Inf. Retr. 1(3): 217-250 (1999)
	1998
2		Ari Pirkola: The Effects of Query Structure and Dictionary Setups in Dictionary-Based Cross-Language Information Retrieval. SIGIR 1998: 55-63
	1996
1		Ari Pirkola, Kalervo Järvelin: The Effect of Anaphor and Ellipsis Resolution on Proximity Searching in a Text Database. Inf. Process. Manage. 32(2): 199-216 (1996)

Coauthor Index

1	Eija Airio	[8] [12] [17] [18]
2	Turid Hedlund	[4] [6] [7] [8] [12] [17] [18]
3	Kalervo Järvelin	[1] [3] [4] [5] [6] [7] [8] [9] [10] [13] [15] [16] [18] [20] [22] [23] [24] [25] [26] [27] [28] [31]
4	Martti Juhola	[25]
5	Antti-Pekka Känsälä	[10]
6	Jaana Kekäläinen	[27]
7	Heikki Keskustalo	[3] [4] [6] [8] [10] [12] [15] [16] [17] [18] [20] [22] [23] [24] [26] [27] [28] [31]
8	Jorma Laurikkala	[25]
9	Raija Lehtokangas	[18]
10	Erkka Leppänen	[9] [10] [14] [15]
11	Aki Loponen	[28]
12	Marianne Lykke (Marianne Lykke Nielsen)	[31]
13	Deniz Puolamäki	[13]
14	Mikko Sepponen	[4]
15	Tarun Sharma	[31]
16	Tuomas Talvensaari	[25] [29] [30]
17	Jarmo Toivonen	[16] [20] [22] [24]
18	Kari Visala	[15] [16] [20]