Pat Helland

2.7k citations

41 papers · 1.5k indexed · 2 hit papers · h-index 12

Impact in

Computer Networks and Communications top 1%
- Distributed systems and fault tolerance
- Advanced Data Storage Technologies
- Advanced Database Systems and Queries
- Distributed and Parallel Computing Systems
- Caching and Content Delivery
- Peer-to-Peer Network Technologies
Hardware and Architecture top 5%
- Parallel Computing and Optimization Techniques

Papers in ⓘ

Computer Networks and Communications 30
- Distributed systems and fault tolerance 23
- Advanced Data Storage Technologies 8
- Advanced Database Systems and Queries 5
- Age of Information Optimization 4
- Optimization and Search Problems 3
Hardware and Architecture 6
- Parallel Computing and Optimization Techniques 5

Co-authors: Jim Gray (2 shared papers)Patrick O’Neil (2 shared papers)Dennis Shasha (2 shared papers)Daniel J. Abadi (1 shared paper)Michael Stonebraker (1 shared paper)Nabil Hachem (1 shared paper)Stavros Harizopoulos (1 shared paper)Samuel Madden (1 shared paper)
Journals: Communications of the ACM (17 papers)Queue (12 papers)ACM SIGMOD Record (2 papers)IEEE Transactions on Computers (1 paper)ACM SIGARCH Computer Architecture News (1 paper)
Partner nations: United States United Kingdom Finland

In The Last Decade

Pat Helland

34 papers receiving 1.3k citations

Hit Papers

align trajectories log scale

The end of an architectural era: (it's time for a complete rewrite) 2007 · 379 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2007 Very Large Data Bases
1996 The dangers of replication and a solution

Peers

Countries citing papers authored by Pat Helland

Since Specialization

Citations

This map shows the geographic impact of Pat Helland's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Pat Helland with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Pat Helland more than expected).

Fields of papers citing papers by Pat Helland

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Pat Helland. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Pat Helland. The network helps show where Pat Helland may publish in the future.

Co-authors

The 16 scholars most cited alongside Pat Helland, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Pat Helland Line = papers co-authored together Pat Helland links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 41 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	The dangers of replication and a solution Jim Gray, Pat Helland, Patrick O’Neil, Dennis Shasha Hit paper breakdown →	1996	602
2	The end of an architectural era: (it's time for a complete rewrite) Very Large Data Bases ·Michael Stonebraker, Samuel Madden, Daniel J. Abadi, Stavros Harizopoulos, Nabil Hachem, Pat Helland Hit paper breakdown →	2007	379
3	The dangers of replication and a solution ACM SIGMOD Record ·Jim Gray, Pat Helland, Patrick O’Neil, Dennis Shasha	1996	237
4	Life beyond Distributed Transactions: an Apostate's Opinion. Conference on Innovative Data Systems Research ·Pat Helland	2007	49
5	The Mercury Interconnect Architecture Wolf-Dietrich Weber, Stephen Gold, Pat Helland, Takeshi Shimizu, Thomas Wicki, W. W. Wilcke	1997	43
6	Immutability changes everything Communications of the ACM ·Pat Helland	2015	24
7	If you have too much data, then 'good enough' is good enough Communications of the ACM ·Pat Helland	2011	20
8	Building on Quicksand ArXiv.org ·Pat Helland, David G. Campbell	2009	18
9	Idempotence is not a medical condition Communications of the ACM ·Pat Helland	2012	15
10	Fault-tolerant features in the HaL memory management unit IEEE Transactions on Computers ·N.R. Saxena, Chin-Chi Chang, K. Dawallu, J. Kohli, Pat Helland	1995	14
11	Condos and clouds Communications of the ACM ·Pat Helland	2013	13
12	Idempotence Is Not a Medical Condition Queue ·Pat Helland	2012	13
13	Life Beyond Distributed Transactions Queue ·Pat Helland	2016	11
14	Life beyond distributed transactions Communications of the ACM ·Pat Helland	2017	8
15	Transaction Monitoring Facility. IEEE Data(base) Engineering Bulletin ·Pat Helland	1985	7
16	If You Have Too Much Data, then "Good Enough" Is Good Enough Queue ·Pat Helland	2011	6
17	Space time discontinuum Communications of the ACM ·Pat Helland	2019	5
18	Condos and Clouds Queue ·Pat Helland	2012	3
19	Fail-fast Is Failing... Fast! Queue ·Pat Helland	2021	3
20	Application servers (panel session) C. Mohan, Larry Cable, Matthieu Devin, Scott Dietzen, Pat Helland, Dan Wolfson	2001	3

About Pat Helland

Pat Helland is a scholar working on Computer Networks and Communications, Hardware and Architecture, Information Systems, Management Science and Operations Research and Information Systems and Management, having authored 41 papers that have together received 1.5k indexed citations. Recurring topics across this work include Distributed systems and fault tolerance (23 papers), Advanced Data Storage Technologies (8 papers), Cloud Computing and Resource Management (7 papers), Parallel Computing and Optimization Techniques (5 papers), Advanced Database Systems and Queries (5 papers), Age of Information Optimization (4 papers), Optimization and Search Problems (3 papers) and Data Quality and Management (3 papers). The work is most often cited by research in Computer Networks and Communications (1.4k citations), Hardware and Architecture (210 citations), Information Systems (624 citations), Signal Processing (70 citations) and Information Systems and Management (45 citations). Pat Helland has collaborated with scholars based in United States, United Kingdom and Finland. Frequent co-authors include Jim Gray, Patrick O’Neil, Dennis Shasha, Daniel J. Abadi, Michael Stonebraker, Nabil Hachem, Stavros Harizopoulos, Samuel Madden, David G. Campbell and Wolf-Dietrich Weber. Their work appears in journals such as Communications of the ACM, Queue, ACM SIGMOD Record, IEEE Transactions on Computers and ACM SIGARCH Computer Architecture News.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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