Hummingbird and Author Rank Authority

Is Hummingbird the key to understanding the expertise of an author for things like In-Depth articles, and a possible future Author Rank? With content from an author considered using a concept-based knowledge base, it’s quite possible.

The Google Hummingbird rewrite of Google’s search engine wasn’t just aimed at providing a way to better understand long and complex queries, like the type that someone might speak into their phone. It was also likely aimed at better understanding the concepts and topics written about and discussed on Web pages, and in social signals such as posts at Google+ and comments on those posts, in Tweets, in Status Updates, and other short text based messages where there might not be a lot of additional context to go with those messages.

The following screenshot shows the concepts that might appear for Tweets when they are analyzed using the Probase Concept-Based knowledge base (from Short Text Conceptualization using a Probabilistic Knowledgebase):

A breakdown of concepts that appear in specific tweets, according to the Probase knowledge base

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Concept-Based Web Search

There are a few different parts to this story, though I’m not sure how many there will be because I’m still in the middle of writing them. I started with a prologue, titled Are You,Your Business, or Products in a Knowledge Base?, which introduced Microsoft’s Conceptual Knowledge Base Probase.

Microsoft’s Probase Knowledge Base

Sometime between when Microsoft acquired semantic search company Powerset and now, the software company began work on one of the largest knowledge bases in the world, Probase. Why Bing doesn’t use it now is a mystery, but it doesn’t appear to. There are a few papers about Probase, including one titled, Concept-Based Web Search. Here’s a snippet from the paper, which might evoke some recent memories of Google’s Hummingbird update:

It is important to note that the lack of a concept-based search feature in all main-stream search engines has, in many situations, discouraged people from expressing their queries in a more natural way. Instead, users are forced to formulate their queries as keywords. This makes it difficult for people who are new to keyword-based search to effectively acquire information from the web.

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Google’s Hummingbird Algorithm Ten Years Ago

Added 2013-11-10 – Google was granted a continuation version of this same patent (Search queries improved based on query semantic information) on November 5th, 2013, where the claims section has been completely re-written in some interesting ways. It describes using a substitute term for one of the original terms in the query, and using an inverse document frequency count to see how many times that substitute term appears in the result set for the modified version of the query and for the original version of the query. The timing of this update of the patent is interesting. The link below points to the old version of the patent, so if you want you can compare the claims sections.

Back in September, Google announced that they had started using an algorithm that rewrites queries submitted by searchers which they had given the code name “Hummingbird.” At the time, I was writing a blog post about a patent from Google that seemed like it might be very related to the update because the focus was upon re-writing long and complex queries, while paying more attention to all the words within those queries. I called the post, The Google Hummingbird Patent because the patent seemed to be such a good match.

Hummingbird Image from the Department of Forestry

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Google Scoring Gibberish Content to Demote Pages in Rankings?

This week, Google was awarded a patent that describes how they might score content on how much Gibberish it might contain, which could then be used to demote pages in search results. That gibberish content refers to content that might be representative of spam content.

The patent defines gibberish content on web pages as pages that might contain a number of high value keywords, but might have been generated through:

  • Using low-cost untrained labor (from places like Mechanical Turk)
  • Scraping content and modifying and splicing it randomly
  • Translating from a different language

Gibberish content also tends to include text sequences that are unlikely to represent natural language text strings that often appear in conversational syntax, or that might not be in text strings that might not be structured in conversational syntax, typically occur in resources such as web documents.

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The Google Hummingbird Patent?

Google introduced a new algorithm by the name of Hummingbird to the world today at the garage where Google started as a business, during a celebration of Google’s 15th Birthday. Google doesn’t appear to have replaced previous signals such as PageRank or many of the other signals that they use to rank pages. The announcement of the new algorithm told us that Google actually started using Hummingbird a number of weeks ago, and that it potentially impacts around 90% of all searches.

A screenshot from the patent showing different elements and databases in use to better understand queries.

It’s being presented as a query expansion or broadening approach which can better understand longer natural language queries, like the ones that people might speak instead of shorter keyword matching queries which someone might type into a search box.

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Driving Directions vs. Reviews as Ranking Signals for Google Maps

In my college days, I cooked at some local restaurants (free meals made it an attractive option for a starving college student). One of the restaurants was in the center of town, at one end of Main Street, and it was a popular place for local residents who returned over and over. It had a great reputation, and word-of-mouth propelled advertising for the place. Another dining venue I worked at was outside of the center of town, nearby an interstate highway. It didn’t have a great reputation, and very few regular customers, except for people who would stop during mealtime from the busy interstate. The “food” sign from the highway attracted most of the traffic to its dining room.

Funny thing is that most of the regulars that frequented the first restaurant rarely had to look up its location, because it was so well known. Most of the people who visited the second restaurant had never been there before, and relied upon the highway sign. There’s another restaurant in that location now, and I have no doubt that many people find it via maps or navigation on their mobile devices or in-car navigation. I mention this because I have some issues with a recently granted Google patent.

A screenshot from the patent that shows the different parts of a ranking system for local search that includes directions and reviews.

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How Google May Reform Queries Based on Co-Occurrence in Query Sessions

When you search, especially for topics that you know little about, chances are that you might not include the most relevant terms in your query, or you might use words that may have ambiguous meanings.

One of the areas where search engines focus a lot of attention upon is in reformulating queries through query suggestions and query expansion to help searchers better meet their situational and informational needs quickly.

"Google query suggestions on a search for [find airedale terrier puppies]"

When you search, you might see a number of query suggestions at the bottom of the results that were first returned, like the ones above on a search for [find airedale terrier puppies]. Or a search engine might include synonyms or substitute queries to expand your original query.

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Joining Go Fish Digital

Something was missing, and I didn’t exactly know what it was. Around a year or so ago, I joined a big agency, and that gave me a chance to look at a lot of sites, provide in-depth consultation audits for a number of clients, perform monthly strategy reviews for others, inform the sales team on issues that might be helpful to address in proposals, and help other SEOs within the company when they asked for it.

I enjoyed doing these things, but there was something missing. I enjoyed working with the crew that I worked with as well. It’s great to work with people who are excited about the Web and about learning and growing. I’m now going to be working with a new crew who are filled with excitement and energy and innovation.

Go Fish Digital

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Getting Information about Search, SEO, and the Semantic Web Directly from the Search Engines